Home / 1,342,649.40-2,013,974.10-775,001.40

Finding the Fourth Proportional to 1,342,649.40, 2,013,974.10 and 775,001.40

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Solution

The fourth proportional to 1,342,649.40, 2,013,974.10 and 775,001.40 is: 1,162,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,649.40 : 2,013,974.10 = 775,001.40 : x
  2. Step 2: Convert to fraction form
    1,342,649.40/2,013,974.10 = 775,001.40/x
  3. Step 3: Cross multiply
    1,342,649.40x = 2,013,974.10 × 775,001.40
  4. Step 4: Simplify right side
    1,342,649.40x = 1,560,832,747,063.74
  5. Step 5: Solve for x
    x = 1,560,832,747,063.74/1,342,649.40
  6. Step 6: Final answer
    x = 1,162,502.10

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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.