Home / 1,339,680.20-2,011,853.10-709,824.20

Finding the Fourth Proportional to 1,339,680.20, 2,011,853.10 and 709,824.20

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Solution

The fourth proportional to 1,339,680.20, 2,011,853.10 and 709,824.20 is: 1,065,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,680.20 : 2,011,853.10 = 709,824.20 : x
  2. Step 2: Convert to fraction form
    1,339,680.20/2,011,853.10 = 709,824.20/x
  3. Step 3: Cross multiply
    1,339,680.20x = 2,011,853.10 × 709,824.20
  4. Step 4: Simplify right side
    1,339,680.20x = 1,428,062,017,225.02
  5. Step 5: Solve for x
    x = 1,428,062,017,225.02/1,339,680.20
  6. Step 6: Final answer
    x = 1,065,972.32

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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.