Home / 1,022,943.20-1,534,414.80-833,986.40

Finding the Fourth Proportional to 1,022,943.20, 1,534,414.80 and 833,986.40

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Solution

The fourth proportional to 1,022,943.20, 1,534,414.80 and 833,986.40 is: 1,250,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,943.20 : 1,534,414.80 = 833,986.40 : x
  2. Step 2: Convert to fraction form
    1,022,943.20/1,534,414.80 = 833,986.40/x
  3. Step 3: Cross multiply
    1,022,943.20x = 1,534,414.80 × 833,986.40
  4. Step 4: Simplify right side
    1,022,943.20x = 1,279,681,075,158.72
  5. Step 5: Solve for x
    x = 1,279,681,075,158.72/1,022,943.20
  6. Step 6: Final answer
    x = 1,250,979.60

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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.