Home / 1,114,565.31-1,538,570.97-752,479.62

Finding the Fourth Proportional to 1,114,565.31, 1,538,570.97 and 752,479.62

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Solution

The fourth proportional to 1,114,565.31, 1,538,570.97 and 752,479.62 is: 1,038,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,565.31 : 1,538,570.97 = 752,479.62 : x
  2. Step 2: Convert to fraction form
    1,114,565.31/1,538,570.97 = 752,479.62/x
  3. Step 3: Cross multiply
    1,114,565.31x = 1,538,570.97 × 752,479.62
  4. Step 4: Simplify right side
    1,114,565.31x = 1,157,743,298,848.63
  5. Step 5: Solve for x
    x = 1,157,743,298,848.63/1,114,565.31
  6. Step 6: Final answer
    x = 1,038,739.76

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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.