Home / 1,492,640.80-2,059,839.42-813,577.28

Finding the Fourth Proportional to 1,492,640.80, 2,059,839.42 and 813,577.28

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Solution

The fourth proportional to 1,492,640.80, 2,059,839.42 and 813,577.28 is: 1,122,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,640.80 : 2,059,839.42 = 813,577.28 : x
  2. Step 2: Convert to fraction form
    1,492,640.80/2,059,839.42 = 813,577.28/x
  3. Step 3: Cross multiply
    1,492,640.80x = 2,059,839.42 × 813,577.28
  4. Step 4: Simplify right side
    1,492,640.80x = 1,675,838,552,560.38
  5. Step 5: Solve for x
    x = 1,675,838,552,560.38/1,492,640.80
  6. Step 6: Final answer
    x = 1,122,733.98

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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.