Home / 1,412,658.80-1,949,508.48-768,123.20

Finding the Fourth Proportional to 1,412,658.80, 1,949,508.48 and 768,123.20

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Solution

The fourth proportional to 1,412,658.80, 1,949,508.48 and 768,123.20 is: 1,060,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,658.80 : 1,949,508.48 = 768,123.20 : x
  2. Step 2: Convert to fraction form
    1,412,658.80/1,949,508.48 = 768,123.20/x
  3. Step 3: Cross multiply
    1,412,658.80x = 1,949,508.48 × 768,123.20
  4. Step 4: Simplify right side
    1,412,658.80x = 1,497,462,692,084.74
  5. Step 5: Solve for x
    x = 1,497,462,692,084.74/1,412,658.80
  6. Step 6: Final answer
    x = 1,060,031.40

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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.