Home / 1,230,024.80-1,845,296.40-519,687.20

Finding the Fourth Proportional to 1,230,024.80, 1,845,296.40 and 519,687.20

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Solution

The fourth proportional to 1,230,024.80, 1,845,296.40 and 519,687.20 is: 779,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,024.80 : 1,845,296.40 = 519,687.20 : x
  2. Step 2: Convert to fraction form
    1,230,024.80/1,845,296.40 = 519,687.20/x
  3. Step 3: Cross multiply
    1,230,024.80x = 1,845,296.40 × 519,687.20
  4. Step 4: Simplify right side
    1,230,024.80x = 958,976,919,286.08
  5. Step 5: Solve for x
    x = 958,976,919,286.08/1,230,024.80
  6. Step 6: Final answer
    x = 779,640.31

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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.