Home / 1,549,579.23-2,138,407.97-870,515.73

Finding the Fourth Proportional to 1,549,579.23, 2,138,407.97 and 870,515.73

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Solution

The fourth proportional to 1,549,579.23, 2,138,407.97 and 870,515.73 is: 1,201,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,579.23 : 2,138,407.97 = 870,515.73 : x
  2. Step 2: Convert to fraction form
    1,549,579.23/2,138,407.97 = 870,515.73/x
  3. Step 3: Cross multiply
    1,549,579.23x = 2,138,407.97 × 870,515.73
  4. Step 4: Simplify right side
    1,549,579.23x = 1,861,517,770,689.79
  5. Step 5: Solve for x
    x = 1,861,517,770,689.79/1,549,579.23
  6. Step 6: Final answer
    x = 1,201,305.32

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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.