Home / 1,158,851.10-1,736,203.05-947,343.90

Finding the Fourth Proportional to 1,158,851.10, 1,736,203.05 and 947,343.90

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Solution

The fourth proportional to 1,158,851.10, 1,736,203.05 and 947,343.90 is: 1,419,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,851.10 : 1,736,203.05 = 947,343.90 : x
  2. Step 2: Convert to fraction form
    1,158,851.10/1,736,203.05 = 947,343.90/x
  3. Step 3: Cross multiply
    1,158,851.10x = 1,736,203.05 × 947,343.90
  4. Step 4: Simplify right side
    1,158,851.10x = 1,644,781,368,578.90
  5. Step 5: Solve for x
    x = 1,644,781,368,578.90/1,158,851.10
  6. Step 6: Final answer
    x = 1,419,320.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.