Home / 768,593.60-1,152,890.40-721,937.60

Finding the Fourth Proportional to 768,593.60, 1,152,890.40 and 721,937.60

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Solution

The fourth proportional to 768,593.60, 1,152,890.40 and 721,937.60 is: 1,082,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,593.60 : 1,152,890.40 = 721,937.60 : x
  2. Step 2: Convert to fraction form
    768,593.60/1,152,890.40 = 721,937.60/x
  3. Step 3: Cross multiply
    768,593.60x = 1,152,890.40 × 721,937.60
  4. Step 4: Simplify right side
    768,593.60x = 832,314,928,439.04
  5. Step 5: Solve for x
    x = 832,314,928,439.04/768,593.60
  6. Step 6: Final answer
    x = 1,082,906.40

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1.5x scale

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.