Home / 1,123,731.70-1,685,597.55-651,631.30

Finding the Fourth Proportional to 1,123,731.70, 1,685,597.55 and 651,631.30

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Solution

The fourth proportional to 1,123,731.70, 1,685,597.55 and 651,631.30 is: 977,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,731.70 : 1,685,597.55 = 651,631.30 : x
  2. Step 2: Convert to fraction form
    1,123,731.70/1,685,597.55 = 651,631.30/x
  3. Step 3: Cross multiply
    1,123,731.70x = 1,685,597.55 × 651,631.30
  4. Step 4: Simplify right side
    1,123,731.70x = 1,098,388,122,783.32
  5. Step 5: Solve for x
    x = 1,098,388,122,783.32/1,123,731.70
  6. Step 6: Final answer
    x = 977,446.95

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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.