Home / 988,570.80-1,482,856.20-981,572.40

Finding the Fourth Proportional to 988,570.80, 1,482,856.20 and 981,572.40

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Solution

The fourth proportional to 988,570.80, 1,482,856.20 and 981,572.40 is: 1,472,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,570.80 : 1,482,856.20 = 981,572.40 : x
  2. Step 2: Convert to fraction form
    988,570.80/1,482,856.20 = 981,572.40/x
  3. Step 3: Cross multiply
    988,570.80x = 1,482,856.20 × 981,572.40
  4. Step 4: Simplify right side
    988,570.80x = 1,455,530,719,088.88
  5. Step 5: Solve for x
    x = 1,455,530,719,088.88/988,570.80
  6. Step 6: Final answer
    x = 1,472,358.60

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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.