Home / 1,087,414.32-1,500,749.34-657,931.26

Finding the Fourth Proportional to 1,087,414.32, 1,500,749.34 and 657,931.26

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Solution

The fourth proportional to 1,087,414.32, 1,500,749.34 and 657,931.26 is: 908,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,414.32 : 1,500,749.34 = 657,931.26 : x
  2. Step 2: Convert to fraction form
    1,087,414.32/1,500,749.34 = 657,931.26/x
  3. Step 3: Cross multiply
    1,087,414.32x = 1,500,749.34 × 657,931.26
  4. Step 4: Simplify right side
    1,087,414.32x = 987,389,904,210.37
  5. Step 5: Solve for x
    x = 987,389,904,210.37/1,087,414.32
  6. Step 6: Final answer
    x = 908,016.28

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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.