Home / 1,074,925.47-1,612,388.20-391,863.55

Finding the Fourth Proportional to 1,074,925.47, 1,612,388.20 and 391,863.55

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Solution

The fourth proportional to 1,074,925.47, 1,612,388.20 and 391,863.55 is: 587,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,925.47 : 1,612,388.20 = 391,863.55 : x
  2. Step 2: Convert to fraction form
    1,074,925.47/1,612,388.20 = 391,863.55/x
  3. Step 3: Cross multiply
    1,074,925.47x = 1,612,388.20 × 391,863.55
  4. Step 4: Simplify right side
    1,074,925.47x = 631,836,164,030.11
  5. Step 5: Solve for x
    x = 631,836,164,030.11/1,074,925.47
  6. Step 6: Final answer
    x = 587,795.32

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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.