Home / 1,132,681.05-1,699,951.05-1,123,823.70

Finding the Fourth Proportional to 1,132,681.05, 1,699,951.05 and 1,123,823.70

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Solution

The fourth proportional to 1,132,681.05, 1,699,951.05 and 1,123,823.70 is: 1,686,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,681.05 : 1,699,951.05 = 1,123,823.70 : x
  2. Step 2: Convert to fraction form
    1,132,681.05/1,699,951.05 = 1,123,823.70/x
  3. Step 3: Cross multiply
    1,132,681.05x = 1,699,951.05 × 1,123,823.70
  4. Step 4: Simplify right side
    1,132,681.05x = 1,910,445,278,829.89
  5. Step 5: Solve for x
    x = 1,910,445,278,829.89/1,132,681.05
  6. Step 6: Final answer
    x = 1,686,657.76

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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.