Home / 1,276,546.10-1,761,672.93-732,781.22

Finding the Fourth Proportional to 1,276,546.10, 1,761,672.93 and 732,781.22

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Solution

The fourth proportional to 1,276,546.10, 1,761,672.93 and 732,781.22 is: 1,011,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,546.10 : 1,761,672.93 = 732,781.22 : x
  2. Step 2: Convert to fraction form
    1,276,546.10/1,761,672.93 = 732,781.22/x
  3. Step 3: Cross multiply
    1,276,546.10x = 1,761,672.93 × 732,781.22
  4. Step 4: Simplify right side
    1,276,546.10x = 1,290,920,838,886.37
  5. Step 5: Solve for x
    x = 1,290,920,838,886.37/1,276,546.10
  6. Step 6: Final answer
    x = 1,011,260.65

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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.