Home / 1,125,115.02-1,552,686.06-641,725.14

Finding the Fourth Proportional to 1,125,115.02, 1,552,686.06 and 641,725.14

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Solution

The fourth proportional to 1,125,115.02, 1,552,686.06 and 641,725.14 is: 885,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,115.02 : 1,552,686.06 = 641,725.14 : x
  2. Step 2: Convert to fraction form
    1,125,115.02/1,552,686.06 = 641,725.14/x
  3. Step 3: Cross multiply
    1,125,115.02x = 1,552,686.06 × 641,725.14
  4. Step 4: Simplify right side
    1,125,115.02x = 996,397,679,229.55
  5. Step 5: Solve for x
    x = 996,397,679,229.55/1,125,115.02
  6. Step 6: Final answer
    x = 885,596.28

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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.