Home / 1,244,388.96-1,717,385.76-761,275.80

Finding the Fourth Proportional to 1,244,388.96, 1,717,385.76 and 761,275.80

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Solution

The fourth proportional to 1,244,388.96, 1,717,385.76 and 761,275.80 is: 1,050,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,388.96 : 1,717,385.76 = 761,275.80 : x
  2. Step 2: Convert to fraction form
    1,244,388.96/1,717,385.76 = 761,275.80/x
  3. Step 3: Cross multiply
    1,244,388.96x = 1,717,385.76 × 761,275.80
  4. Step 4: Simplify right side
    1,244,388.96x = 1,307,404,218,352.61
  5. Step 5: Solve for x
    x = 1,307,404,218,352.61/1,244,388.96
  6. Step 6: Final answer
    x = 1,050,639.52

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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.