Home / 1,499,414.88-2,069,244.20-820,351.40

Finding the Fourth Proportional to 1,499,414.88, 2,069,244.20 and 820,351.40

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Solution

The fourth proportional to 1,499,414.88, 2,069,244.20 and 820,351.40 is: 1,132,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,414.88 : 2,069,244.20 = 820,351.40 : x
  2. Step 2: Convert to fraction form
    1,499,414.88/2,069,244.20 = 820,351.40/x
  3. Step 3: Cross multiply
    1,499,414.88x = 2,069,244.20 × 820,351.40
  4. Step 4: Simplify right side
    1,499,414.88x = 1,697,507,376,411.88
  5. Step 5: Solve for x
    x = 1,697,507,376,411.88/1,499,414.88
  6. Step 6: Final answer
    x = 1,132,113.20

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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.