Home / 1,106,724.20-1,660,319.57-358,711.88

Finding the Fourth Proportional to 1,106,724.20, 1,660,319.57 and 358,711.88

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Solution

The fourth proportional to 1,106,724.20, 1,660,319.57 and 358,711.88 is: 538,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,724.20 : 1,660,319.57 = 358,711.88 : x
  2. Step 2: Convert to fraction form
    1,106,724.20/1,660,319.57 = 358,711.88/x
  3. Step 3: Cross multiply
    1,106,724.20x = 1,660,319.57 × 358,711.88
  4. Step 4: Simplify right side
    1,106,724.20x = 595,576,346,950.67
  5. Step 5: Solve for x
    x = 595,576,346,950.67/1,106,724.20
  6. Step 6: Final answer
    x = 538,143.42

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1.5x scale

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.