Home / 1,361,487.56-1,878,837.30-749,627.55

Finding the Fourth Proportional to 1,361,487.56, 1,878,837.30 and 749,627.55

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Solution

The fourth proportional to 1,361,487.56, 1,878,837.30 and 749,627.55 is: 1,034,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,487.56 : 1,878,837.30 = 749,627.55 : x
  2. Step 2: Convert to fraction form
    1,361,487.56/1,878,837.30 = 749,627.55/x
  3. Step 3: Cross multiply
    1,361,487.56x = 1,878,837.30 × 749,627.55
  4. Step 4: Simplify right side
    1,361,487.56x = 1,408,428,202,047.62
  5. Step 5: Solve for x
    x = 1,408,428,202,047.62/1,361,487.56
  6. Step 6: Final answer
    x = 1,034,477.47

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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.