Home / 1,305,071.68-1,801,215.51-761,207.46

Finding the Fourth Proportional to 1,305,071.68, 1,801,215.51 and 761,207.46

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Solution

The fourth proportional to 1,305,071.68, 1,801,215.51 and 761,207.46 is: 1,050,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,071.68 : 1,801,215.51 = 761,207.46 : x
  2. Step 2: Convert to fraction form
    1,305,071.68/1,801,215.51 = 761,207.46/x
  3. Step 3: Cross multiply
    1,305,071.68x = 1,801,215.51 × 761,207.46
  4. Step 4: Simplify right side
    1,305,071.68x = 1,371,098,683,279.70
  5. Step 5: Solve for x
    x = 1,371,098,683,279.70/1,305,071.68
  6. Step 6: Final answer
    x = 1,050,592.63

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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.