Home / 1,137,508.76-1,570,472.06-724,278.75

Finding the Fourth Proportional to 1,137,508.76, 1,570,472.06 and 724,278.75

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Solution

The fourth proportional to 1,137,508.76, 1,570,472.06 and 724,278.75 is: 999,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,508.76 : 1,570,472.06 = 724,278.75 : x
  2. Step 2: Convert to fraction form
    1,137,508.76/1,570,472.06 = 724,278.75/x
  3. Step 3: Cross multiply
    1,137,508.76x = 1,570,472.06 × 724,278.75
  4. Step 4: Simplify right side
    1,137,508.76x = 1,137,459,536,905.33
  5. Step 5: Solve for x
    x = 1,137,459,536,905.33/1,137,508.76
  6. Step 6: Final answer
    x = 999,956.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.