Home / 1,002,001.80-1,506,501.90-981,006.60

Finding the Fourth Proportional to 1,002,001.80, 1,506,501.90 and 981,006.60

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Solution

The fourth proportional to 1,002,001.80, 1,506,501.90 and 981,006.60 is: 1,474,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,001.80 : 1,506,501.90 = 981,006.60 : x
  2. Step 2: Convert to fraction form
    1,002,001.80/1,506,501.90 = 981,006.60/x
  3. Step 3: Cross multiply
    1,002,001.80x = 1,506,501.90 × 981,006.60
  4. Step 4: Simplify right side
    1,002,001.80x = 1,477,888,306,812.54
  5. Step 5: Solve for x
    x = 1,477,888,306,812.54/1,002,001.80
  6. Step 6: Final answer
    x = 1,474,935.78

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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.