Home / 981,084.96-1,474,459.95-912,972.57

Finding the Fourth Proportional to 981,084.96, 1,474,459.95 and 912,972.57

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Solution

The fourth proportional to 981,084.96, 1,474,459.95 and 912,972.57 is: 1,372,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,084.96 : 1,474,459.95 = 912,972.57 : x
  2. Step 2: Convert to fraction form
    981,084.96/1,474,459.95 = 912,972.57/x
  3. Step 3: Cross multiply
    981,084.96x = 1,474,459.95 × 912,972.57
  4. Step 4: Simplify right side
    981,084.96x = 1,346,141,489,913.57
  5. Step 5: Solve for x
    x = 1,346,141,489,913.57/981,084.96
  6. Step 6: Final answer
    x = 1,372,094.72

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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.