Home / 1,087,124.16-1,499,989.76-657,395.28

Finding the Fourth Proportional to 1,087,124.16, 1,499,989.76 and 657,395.28

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Solution

The fourth proportional to 1,087,124.16, 1,499,989.76 and 657,395.28 is: 907,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,124.16 : 1,499,989.76 = 657,395.28 : x
  2. Step 2: Convert to fraction form
    1,087,124.16/1,499,989.76 = 657,395.28/x
  3. Step 3: Cross multiply
    1,087,124.16x = 1,499,989.76 × 657,395.28
  4. Step 4: Simplify right side
    1,087,124.16x = 986,086,188,272.33
  5. Step 5: Solve for x
    x = 986,086,188,272.33/1,087,124.16
  6. Step 6: Final answer
    x = 907,059.40

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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.