Home / 1,039,737.60-1,559,755.20-320,140.20

Finding the Fourth Proportional to 1,039,737.60, 1,559,755.20 and 320,140.20

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Solution

The fourth proportional to 1,039,737.60, 1,559,755.20 and 320,140.20 is: 480,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,737.60 : 1,559,755.20 = 320,140.20 : x
  2. Step 2: Convert to fraction form
    1,039,737.60/1,559,755.20 = 320,140.20/x
  3. Step 3: Cross multiply
    1,039,737.60x = 1,559,755.20 × 320,140.20
  4. Step 4: Simplify right side
    1,039,737.60x = 499,340,341,679.04
  5. Step 5: Solve for x
    x = 499,340,341,679.04/1,039,737.60
  6. Step 6: Final answer
    x = 480,256.12

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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.