Home / 1,137,921.38-1,707,721.96-538,881.38

Finding the Fourth Proportional to 1,137,921.38, 1,707,721.96 and 538,881.38

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Solution

The fourth proportional to 1,137,921.38, 1,707,721.96 and 538,881.38 is: 808,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,921.38 : 1,707,721.96 = 538,881.38 : x
  2. Step 2: Convert to fraction form
    1,137,921.38/1,707,721.96 = 538,881.38/x
  3. Step 3: Cross multiply
    1,137,921.38x = 1,707,721.96 × 538,881.38
  4. Step 4: Simplify right side
    1,137,921.38x = 920,259,566,461.11
  5. Step 5: Solve for x
    x = 920,259,566,461.11/1,137,921.38
  6. Step 6: Final answer
    x = 808,719.81

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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.