Home / 761,645.76-1,135,659.30-740,720.28

Finding the Fourth Proportional to 761,645.76, 1,135,659.30 and 740,720.28

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Solution

The fourth proportional to 761,645.76, 1,135,659.30 and 740,720.28 is: 1,104,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,645.76 : 1,135,659.30 = 740,720.28 : x
  2. Step 2: Convert to fraction form
    761,645.76/1,135,659.30 = 740,720.28/x
  3. Step 3: Cross multiply
    761,645.76x = 1,135,659.30 × 740,720.28
  4. Step 4: Simplify right side
    761,645.76x = 841,205,874,680.60
  5. Step 5: Solve for x
    x = 841,205,874,680.60/761,645.76
  6. Step 6: Final answer
    x = 1,104,458.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.