Home / 935,705.20-1,401,484.20-724,658.80

Finding the Fourth Proportional to 935,705.20, 1,401,484.20 and 724,658.80

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Solution

The fourth proportional to 935,705.20, 1,401,484.20 and 724,658.80 is: 1,085,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,705.20 : 1,401,484.20 = 724,658.80 : x
  2. Step 2: Convert to fraction form
    935,705.20/1,401,484.20 = 724,658.80/x
  3. Step 3: Cross multiply
    935,705.20x = 1,401,484.20 × 724,658.80
  4. Step 4: Simplify right side
    935,705.20x = 1,015,597,858,590.96
  5. Step 5: Solve for x
    x = 1,015,597,858,590.96/935,705.20
  6. Step 6: Final answer
    x = 1,085,382.30

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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.