Home / 1,381,310.64-2,068,070.40-731,414.16

Finding the Fourth Proportional to 1,381,310.64, 2,068,070.40 and 731,414.16

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Solution

The fourth proportional to 1,381,310.64, 2,068,070.40 and 731,414.16 is: 1,095,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,310.64 : 2,068,070.40 = 731,414.16 : x
  2. Step 2: Convert to fraction form
    1,381,310.64/2,068,070.40 = 731,414.16/x
  3. Step 3: Cross multiply
    1,381,310.64x = 2,068,070.40 × 731,414.16
  4. Step 4: Simplify right side
    1,381,310.64x = 1,512,615,974,436.86
  5. Step 5: Solve for x
    x = 1,512,615,974,436.86/1,381,310.64
  6. Step 6: Final answer
    x = 1,095,058.51

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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.