Home / 1,251,378.60-1,877,456.70-493,315.80

Finding the Fourth Proportional to 1,251,378.60, 1,877,456.70 and 493,315.80

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Solution

The fourth proportional to 1,251,378.60, 1,877,456.70 and 493,315.80 is: 740,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,378.60 : 1,877,456.70 = 493,315.80 : x
  2. Step 2: Convert to fraction form
    1,251,378.60/1,877,456.70 = 493,315.80/x
  3. Step 3: Cross multiply
    1,251,378.60x = 1,877,456.70 × 493,315.80
  4. Step 4: Simplify right side
    1,251,378.60x = 926,179,053,925.86
  5. Step 5: Solve for x
    x = 926,179,053,925.86/1,251,378.60
  6. Step 6: Final answer
    x = 740,126.97

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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.