Home / 1,005,073.92-1,386,998.64-575,352.72

Finding the Fourth Proportional to 1,005,073.92, 1,386,998.64 and 575,352.72

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Solution

The fourth proportional to 1,005,073.92, 1,386,998.64 and 575,352.72 is: 793,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,073.92 : 1,386,998.64 = 575,352.72 : x
  2. Step 2: Convert to fraction form
    1,005,073.92/1,386,998.64 = 575,352.72/x
  3. Step 3: Cross multiply
    1,005,073.92x = 1,386,998.64 × 575,352.72
  4. Step 4: Simplify right side
    1,005,073.92x = 798,013,440,160.30
  5. Step 5: Solve for x
    x = 798,013,440,160.30/1,005,073.92
  6. Step 6: Final answer
    x = 793,984.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.