Home / 1,011,402.09-1,517,701.66-372,154.71

Finding the Fourth Proportional to 1,011,402.09, 1,517,701.66 and 372,154.71

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Solution

The fourth proportional to 1,011,402.09, 1,517,701.66 and 372,154.71 is: 558,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,402.09 : 1,517,701.66 = 372,154.71 : x
  2. Step 2: Convert to fraction form
    1,011,402.09/1,517,701.66 = 372,154.71/x
  3. Step 3: Cross multiply
    1,011,402.09x = 1,517,701.66 × 372,154.71
  4. Step 4: Simplify right side
    1,011,402.09x = 564,819,825,904.81
  5. Step 5: Solve for x
    x = 564,819,825,904.81/1,011,402.09
  6. Step 6: Final answer
    x = 558,452.30

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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.