Home / 1,359,416.94-2,039,125.56-647,286.00

Finding the Fourth Proportional to 1,359,416.94, 2,039,125.56 and 647,286.00

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Solution

The fourth proportional to 1,359,416.94, 2,039,125.56 and 647,286.00 is: 970,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,416.94 : 2,039,125.56 = 647,286.00 : x
  2. Step 2: Convert to fraction form
    1,359,416.94/2,039,125.56 = 647,286.00/x
  3. Step 3: Cross multiply
    1,359,416.94x = 2,039,125.56 × 647,286.00
  4. Step 4: Simplify right side
    1,359,416.94x = 1,319,897,417,156.12
  5. Step 5: Solve for x
    x = 1,319,897,417,156.12/1,359,416.94
  6. Step 6: Final answer
    x = 970,929.07

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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.