Home / 935,486.20-1,401,155.70-724,439.80

Finding the Fourth Proportional to 935,486.20, 1,401,155.70 and 724,439.80

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Solution

The fourth proportional to 935,486.20, 1,401,155.70 and 724,439.80 is: 1,085,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,486.20 : 1,401,155.70 = 724,439.80 : x
  2. Step 2: Convert to fraction form
    935,486.20/1,401,155.70 = 724,439.80/x
  3. Step 3: Cross multiply
    935,486.20x = 1,401,155.70 × 724,439.80
  4. Step 4: Simplify right side
    935,486.20x = 1,015,052,955,076.86
  5. Step 5: Solve for x
    x = 1,015,052,955,076.86/935,486.20
  6. Step 6: Final answer
    x = 1,085,053.91

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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.