Home / 1,234,676.22-1,703,107.28-815,574.58

Finding the Fourth Proportional to 1,234,676.22, 1,703,107.28 and 815,574.58

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Solution

The fourth proportional to 1,234,676.22, 1,703,107.28 and 815,574.58 is: 1,125,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,676.22 : 1,703,107.28 = 815,574.58 : x
  2. Step 2: Convert to fraction form
    1,234,676.22/1,703,107.28 = 815,574.58/x
  3. Step 3: Cross multiply
    1,234,676.22x = 1,703,107.28 × 815,574.58
  4. Step 4: Simplify right side
    1,234,676.22x = 1,389,011,002,362.11
  5. Step 5: Solve for x
    x = 1,389,011,002,362.11/1,234,676.22
  6. Step 6: Final answer
    x = 1,125,000.20

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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.