Home / 1,479,013.47-2,215,120.34-939,229.47

Finding the Fourth Proportional to 1,479,013.47, 2,215,120.34 and 939,229.47

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Solution

The fourth proportional to 1,479,013.47, 2,215,120.34 and 939,229.47 is: 1,406,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,013.47 : 2,215,120.34 = 939,229.47 : x
  2. Step 2: Convert to fraction form
    1,479,013.47/2,215,120.34 = 939,229.47/x
  3. Step 3: Cross multiply
    1,479,013.47x = 2,215,120.34 × 939,229.47
  4. Step 4: Simplify right side
    1,479,013.47x = 2,080,506,302,924.42
  5. Step 5: Solve for x
    x = 2,080,506,302,924.42/1,479,013.47
  6. Step 6: Final answer
    x = 1,406,685.16

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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.