Home / 755,521.02-1,127,753.89-665,843.09

Finding the Fourth Proportional to 755,521.02, 1,127,753.89 and 665,843.09

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Solution

The fourth proportional to 755,521.02, 1,127,753.89 and 665,843.09 is: 993,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,521.02 : 1,127,753.89 = 665,843.09 : x
  2. Step 2: Convert to fraction form
    755,521.02/1,127,753.89 = 665,843.09/x
  3. Step 3: Cross multiply
    755,521.02x = 1,127,753.89 × 665,843.09
  4. Step 4: Simplify right side
    755,521.02x = 750,907,127,573.74
  5. Step 5: Solve for x
    x = 750,907,127,573.74/755,521.02
  6. Step 6: Final answer
    x = 993,893.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.