Home / 990,690.44-1,367,058.18-560,886.68

Finding the Fourth Proportional to 990,690.44, 1,367,058.18 and 560,886.68

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Solution

The fourth proportional to 990,690.44, 1,367,058.18 and 560,886.68 is: 773,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,690.44 : 1,367,058.18 = 560,886.68 : x
  2. Step 2: Convert to fraction form
    990,690.44/1,367,058.18 = 560,886.68/x
  3. Step 3: Cross multiply
    990,690.44x = 1,367,058.18 × 560,886.68
  4. Step 4: Simplify right side
    990,690.44x = 766,764,723,947.04
  5. Step 5: Solve for x
    x = 766,764,723,947.04/990,690.44
  6. Step 6: Final answer
    x = 773,970.04

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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.