Home / 1,127,952.40-1,687,974.78-808,456.40

Finding the Fourth Proportional to 1,127,952.40, 1,687,974.78 and 808,456.40

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Solution

The fourth proportional to 1,127,952.40, 1,687,974.78 and 808,456.40 is: 1,209,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,952.40 : 1,687,974.78 = 808,456.40 : x
  2. Step 2: Convert to fraction form
    1,127,952.40/1,687,974.78 = 808,456.40/x
  3. Step 3: Cross multiply
    1,127,952.40x = 1,687,974.78 × 808,456.40
  4. Step 4: Simplify right side
    1,127,952.40x = 1,364,654,013,929.59
  5. Step 5: Solve for x
    x = 1,364,654,013,929.59/1,127,952.40
  6. Step 6: Final answer
    x = 1,209,850.71

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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.