Home / 1,436,167.40-2,154,251.10-988,269.80

Finding the Fourth Proportional to 1,436,167.40, 2,154,251.10 and 988,269.80

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Solution

The fourth proportional to 1,436,167.40, 2,154,251.10 and 988,269.80 is: 1,482,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,167.40 : 2,154,251.10 = 988,269.80 : x
  2. Step 2: Convert to fraction form
    1,436,167.40/2,154,251.10 = 988,269.80/x
  3. Step 3: Cross multiply
    1,436,167.40x = 2,154,251.10 × 988,269.80
  4. Step 4: Simplify right side
    1,436,167.40x = 2,128,981,303,746.78
  5. Step 5: Solve for x
    x = 2,128,981,303,746.78/1,436,167.40
  6. Step 6: Final answer
    x = 1,482,404.70

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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.