Home / 1,123,346.70-1,685,020.05-1,011,372.30

Finding the Fourth Proportional to 1,123,346.70, 1,685,020.05 and 1,011,372.30

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Solution

The fourth proportional to 1,123,346.70, 1,685,020.05 and 1,011,372.30 is: 1,517,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,346.70 : 1,685,020.05 = 1,011,372.30 : x
  2. Step 2: Convert to fraction form
    1,123,346.70/1,685,020.05 = 1,011,372.30/x
  3. Step 3: Cross multiply
    1,123,346.70x = 1,685,020.05 × 1,011,372.30
  4. Step 4: Simplify right side
    1,123,346.70x = 1,704,182,603,514.62
  5. Step 5: Solve for x
    x = 1,704,182,603,514.62/1,123,346.70
  6. Step 6: Final answer
    x = 1,517,058.45

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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.