Home / 1,386,035.04-2,079,126.97-439,479.56

Finding the Fourth Proportional to 1,386,035.04, 2,079,126.97 and 439,479.56

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Solution

The fourth proportional to 1,386,035.04, 2,079,126.97 and 439,479.56 is: 659,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,035.04 : 2,079,126.97 = 439,479.56 : x
  2. Step 2: Convert to fraction form
    1,386,035.04/2,079,126.97 = 439,479.56/x
  3. Step 3: Cross multiply
    1,386,035.04x = 2,079,126.97 × 439,479.56
  4. Step 4: Simplify right side
    1,386,035.04x = 913,733,805,959.73
  5. Step 5: Solve for x
    x = 913,733,805,959.73/1,386,035.04
  6. Step 6: Final answer
    x = 659,242.93

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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.