Home / 1,276,179.52-1,912,463.04-707,810.72

Finding the Fourth Proportional to 1,276,179.52, 1,912,463.04 and 707,810.72

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Solution

The fourth proportional to 1,276,179.52, 1,912,463.04 and 707,810.72 is: 1,060,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,179.52 : 1,912,463.04 = 707,810.72 : x
  2. Step 2: Convert to fraction form
    1,276,179.52/1,912,463.04 = 707,810.72/x
  3. Step 3: Cross multiply
    1,276,179.52x = 1,912,463.04 × 707,810.72
  4. Step 4: Simplify right side
    1,276,179.52x = 1,353,661,841,315.79
  5. Step 5: Solve for x
    x = 1,353,661,841,315.79/1,276,179.52
  6. Step 6: Final answer
    x = 1,060,714.28

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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.