Home / 1,231,931.20-1,700,061.60-695,387.20

Finding the Fourth Proportional to 1,231,931.20, 1,700,061.60 and 695,387.20

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Solution

The fourth proportional to 1,231,931.20, 1,700,061.60 and 695,387.20 is: 959,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,931.20 : 1,700,061.60 = 695,387.20 : x
  2. Step 2: Convert to fraction form
    1,231,931.20/1,700,061.60 = 695,387.20/x
  3. Step 3: Cross multiply
    1,231,931.20x = 1,700,061.60 × 695,387.20
  4. Step 4: Simplify right side
    1,231,931.20x = 1,182,201,075,851.52
  5. Step 5: Solve for x
    x = 1,182,201,075,851.52/1,231,931.20
  6. Step 6: Final answer
    x = 959,632.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.