Home / 1,231,361.02-1,699,206.81-687,531.24

Finding the Fourth Proportional to 1,231,361.02, 1,699,206.81 and 687,531.24

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Solution

The fourth proportional to 1,231,361.02, 1,699,206.81 and 687,531.24 is: 948,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,361.02 : 1,699,206.81 = 687,531.24 : x
  2. Step 2: Convert to fraction form
    1,231,361.02/1,699,206.81 = 687,531.24/x
  3. Step 3: Cross multiply
    1,231,361.02x = 1,699,206.81 × 687,531.24
  4. Step 4: Simplify right side
    1,231,361.02x = 1,168,257,766,384.87
  5. Step 5: Solve for x
    x = 1,168,257,766,384.87/1,231,361.02
  6. Step 6: Final answer
    x = 948,753.25

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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.