Home / 1,456,433-2,185,018.14-405,809

Finding the Fourth Proportional to 1,456,433, 2,185,018.14 and 405,809

Calculator

Solution

The fourth proportional to 1,456,433, 2,185,018.14 and 405,809 is: 608,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,433 : 2,185,018.14 = 405,809 : x
  2. Step 2: Convert to fraction form
    1,456,433/2,185,018.14 = 405,809/x
  3. Step 3: Cross multiply
    1,456,433x = 2,185,018.14 × 405,809
  4. Step 4: Simplify right side
    1,456,433x = 886,700,026,375.26
  5. Step 5: Solve for x
    x = 886,700,026,375.26/1,456,433
  6. Step 6: Final answer
    x = 608,816.21

Related Problems

Find fourth proportional to 728,216.50, 1,092,509.07 and 202,904.50
Half scale
Find fourth proportional to 2,912,866, 4,370,036.28 and 811,618
Double scale
Find fourth proportional to 1,456,434, 2,185,019.64 and 405,810
Similar ratio
Find fourth proportional to 2,184,649.50, 3,277,527.21 and 608,713.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.