Home / 1,521,344.55-2,282,016.83-399,526.95

Finding the Fourth Proportional to 1,521,344.55, 2,282,016.83 and 399,526.95

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Solution

The fourth proportional to 1,521,344.55, 2,282,016.83 and 399,526.95 is: 599,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,344.55 : 2,282,016.83 = 399,526.95 : x
  2. Step 2: Convert to fraction form
    1,521,344.55/2,282,016.83 = 399,526.95/x
  3. Step 3: Cross multiply
    1,521,344.55x = 2,282,016.83 × 399,526.95
  4. Step 4: Simplify right side
    1,521,344.55x = 911,727,221,940.93
  5. Step 5: Solve for x
    x = 911,727,221,940.93/1,521,344.55
  6. Step 6: Final answer
    x = 599,290.43

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Double scale
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Similar ratio
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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.