Home / 898,487.20-1,241,223.98-777,418.28

Finding the Fourth Proportional to 898,487.20, 1,241,223.98 and 777,418.28

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Solution

The fourth proportional to 898,487.20, 1,241,223.98 and 777,418.28 is: 1,073,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,487.20 : 1,241,223.98 = 777,418.28 : x
  2. Step 2: Convert to fraction form
    898,487.20/1,241,223.98 = 777,418.28/x
  3. Step 3: Cross multiply
    898,487.20x = 1,241,223.98 × 777,418.28
  4. Step 4: Simplify right side
    898,487.20x = 964,950,211,626.35
  5. Step 5: Solve for x
    x = 964,950,211,626.35/898,487.20
  6. Step 6: Final answer
    x = 1,073,972.13

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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.