Home / 1,102,152.18-1,520,963.90-618,717.20

Finding the Fourth Proportional to 1,102,152.18, 1,520,963.90 and 618,717.20

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Solution

The fourth proportional to 1,102,152.18, 1,520,963.90 and 618,717.20 is: 853,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,152.18 : 1,520,963.90 = 618,717.20 : x
  2. Step 2: Convert to fraction form
    1,102,152.18/1,520,963.90 = 618,717.20/x
  3. Step 3: Cross multiply
    1,102,152.18x = 1,520,963.90 × 618,717.20
  4. Step 4: Simplify right side
    1,102,152.18x = 941,046,514,810.68
  5. Step 5: Solve for x
    x = 941,046,514,810.68/1,102,152.18
  6. Step 6: Final answer
    x = 853,826.30

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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.