Home / 1,248,223.65-1,722,597.51-731,905.76

Finding the Fourth Proportional to 1,248,223.65, 1,722,597.51 and 731,905.76

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Solution

The fourth proportional to 1,248,223.65, 1,722,597.51 and 731,905.76 is: 1,010,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,223.65 : 1,722,597.51 = 731,905.76 : x
  2. Step 2: Convert to fraction form
    1,248,223.65/1,722,597.51 = 731,905.76/x
  3. Step 3: Cross multiply
    1,248,223.65x = 1,722,597.51 × 731,905.76
  4. Step 4: Simplify right side
    1,248,223.65x = 1,260,779,039,730.66
  5. Step 5: Solve for x
    x = 1,260,779,039,730.66/1,248,223.65
  6. Step 6: Final answer
    x = 1,010,058.61

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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.