Home / 1,147,434.80-1,721,411.40-673,876.40

Finding the Fourth Proportional to 1,147,434.80, 1,721,411.40 and 673,876.40

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Solution

The fourth proportional to 1,147,434.80, 1,721,411.40 and 673,876.40 is: 1,010,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,434.80 : 1,721,411.40 = 673,876.40 : x
  2. Step 2: Convert to fraction form
    1,147,434.80/1,721,411.40 = 673,876.40/x
  3. Step 3: Cross multiply
    1,147,434.80x = 1,721,411.40 × 673,876.40
  4. Step 4: Simplify right side
    1,147,434.80x = 1,160,018,517,150.96
  5. Step 5: Solve for x
    x = 1,160,018,517,150.96/1,147,434.80
  6. Step 6: Final answer
    x = 1,010,966.83

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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.