Home / 999,040.20-1,378,801.74-655,165.50

Finding the Fourth Proportional to 999,040.20, 1,378,801.74 and 655,165.50

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Solution

The fourth proportional to 999,040.20, 1,378,801.74 and 655,165.50 is: 904,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,040.20 : 1,378,801.74 = 655,165.50 : x
  2. Step 2: Convert to fraction form
    999,040.20/1,378,801.74 = 655,165.50/x
  3. Step 3: Cross multiply
    999,040.20x = 1,378,801.74 × 655,165.50
  4. Step 4: Simplify right side
    999,040.20x = 903,343,331,387.97
  5. Step 5: Solve for x
    x = 903,343,331,387.97/999,040.20
  6. Step 6: Final answer
    x = 904,211.19

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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.