Home / 933,904.40-1,399,981.80-731,388.20

Finding the Fourth Proportional to 933,904.40, 1,399,981.80 and 731,388.20

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Solution

The fourth proportional to 933,904.40, 1,399,981.80 and 731,388.20 is: 1,096,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,904.40 : 1,399,981.80 = 731,388.20 : x
  2. Step 2: Convert to fraction form
    933,904.40/1,399,981.80 = 731,388.20/x
  3. Step 3: Cross multiply
    933,904.40x = 1,399,981.80 × 731,388.20
  4. Step 4: Simplify right side
    933,904.40x = 1,023,930,168,734.76
  5. Step 5: Solve for x
    x = 1,023,930,168,734.76/933,904.40
  6. Step 6: Final answer
    x = 1,096,397.20

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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.