Home / 3,111,570-4,667,355-747,666

Finding the Fourth Proportional to 3,111,570, 4,667,355 and 747,666

Calculator

Solution

The fourth proportional to 3,111,570, 4,667,355 and 747,666 is: 1,121,499

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,570 : 4,667,355 = 747,666 : x
  2. Step 2: Convert to fraction form
    3,111,570/4,667,355 = 747,666/x
  3. Step 3: Cross multiply
    3,111,570x = 4,667,355 × 747,666
  4. Step 4: Simplify right side
    3,111,570x = 3,489,622,643,430
  5. Step 5: Solve for x
    x = 3,489,622,643,430/3,111,570
  6. Step 6: Final answer
    x = 1,121,499

Related Problems

Find fourth proportional to 1,555,785, 2,333,677.50 and 373,833
Half scale
Find fourth proportional to 6,223,140, 9,334,710 and 1,495,332
Double scale
Find fourth proportional to 3,111,571, 4,667,356.50 and 747,667
Similar ratio
Find fourth proportional to 4,667,355, 7,001,032.50 and 1,121,499
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.