Home / 1,585,921.91-2,378,862.23-387,854.60

Finding the Fourth Proportional to 1,585,921.91, 2,378,862.23 and 387,854.60

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Solution

The fourth proportional to 1,585,921.91, 2,378,862.23 and 387,854.60 is: 581,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,921.91 : 2,378,862.23 = 387,854.60 : x
  2. Step 2: Convert to fraction form
    1,585,921.91/2,378,862.23 = 387,854.60/x
  3. Step 3: Cross multiply
    1,585,921.91x = 2,378,862.23 × 387,854.60
  4. Step 4: Simplify right side
    1,585,921.91x = 922,652,644,838.17
  5. Step 5: Solve for x
    x = 922,652,644,838.17/1,585,921.91
  6. Step 6: Final answer
    x = 581,776.85

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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.