Home / 755,522.02-1,127,755.38-665,844.09

Finding the Fourth Proportional to 755,522.02, 1,127,755.38 and 665,844.09

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Solution

The fourth proportional to 755,522.02, 1,127,755.38 and 665,844.09 is: 993,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,522.02 : 1,127,755.38 = 665,844.09 : x
  2. Step 2: Convert to fraction form
    755,522.02/1,127,755.38 = 665,844.09/x
  3. Step 3: Cross multiply
    755,522.02x = 1,127,755.38 × 665,844.09
  4. Step 4: Simplify right side
    755,522.02x = 750,909,254,738.70
  5. Step 5: Solve for x
    x = 750,909,254,738.70/755,522.02
  6. Step 6: Final answer
    x = 993,894.60

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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.