Home / 1,013,701.32-1,520,331.66-303,538.68

Finding the Fourth Proportional to 1,013,701.32, 1,520,331.66 and 303,538.68

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Solution

The fourth proportional to 1,013,701.32, 1,520,331.66 and 303,538.68 is: 455,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,701.32 : 1,520,331.66 = 303,538.68 : x
  2. Step 2: Convert to fraction form
    1,013,701.32/1,520,331.66 = 303,538.68/x
  3. Step 3: Cross multiply
    1,013,701.32x = 1,520,331.66 × 303,538.68
  4. Step 4: Simplify right side
    1,013,701.32x = 461,479,465,238.61
  5. Step 5: Solve for x
    x = 461,479,465,238.61/1,013,701.32
  6. Step 6: Final answer
    x = 455,242.05

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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.