Home / 1,585,845.12-2,187,930.24-906,297.60

Finding the Fourth Proportional to 1,585,845.12, 2,187,930.24 and 906,297.60

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Solution

The fourth proportional to 1,585,845.12, 2,187,930.24 and 906,297.60 is: 1,250,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,845.12 : 2,187,930.24 = 906,297.60 : x
  2. Step 2: Convert to fraction form
    1,585,845.12/2,187,930.24 = 906,297.60/x
  3. Step 3: Cross multiply
    1,585,845.12x = 2,187,930.24 × 906,297.60
  4. Step 4: Simplify right side
    1,585,845.12x = 1,982,915,925,479.42
  5. Step 5: Solve for x
    x = 1,982,915,925,479.42/1,585,845.12
  6. Step 6: Final answer
    x = 1,250,384.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.