Home / 1,401,494.40-2,104,574.40-770,860.80

Finding the Fourth Proportional to 1,401,494.40, 2,104,574.40 and 770,860.80

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Solution

The fourth proportional to 1,401,494.40, 2,104,574.40 and 770,860.80 is: 1,157,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,494.40 : 2,104,574.40 = 770,860.80 : x
  2. Step 2: Convert to fraction form
    1,401,494.40/2,104,574.40 = 770,860.80/x
  3. Step 3: Cross multiply
    1,401,494.40x = 2,104,574.40 × 770,860.80
  4. Step 4: Simplify right side
    1,401,494.40x = 1,622,333,905,643.52
  5. Step 5: Solve for x
    x = 1,622,333,905,643.52/1,401,494.40
  6. Step 6: Final answer
    x = 1,157,574.30

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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.