Home / 1,549,370.88-2,138,832-1,040,353.92

Finding the Fourth Proportional to 1,549,370.88, 2,138,832 and 1,040,353.92

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Solution

The fourth proportional to 1,549,370.88, 2,138,832 and 1,040,353.92 is: 1,436,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,370.88 : 2,138,832 = 1,040,353.92 : x
  2. Step 2: Convert to fraction form
    1,549,370.88/2,138,832 = 1,040,353.92/x
  3. Step 3: Cross multiply
    1,549,370.88x = 2,138,832 × 1,040,353.92
  4. Step 4: Simplify right side
    1,549,370.88x = 2,225,142,255,421.44
  5. Step 5: Solve for x
    x = 2,225,142,255,421.44/1,549,370.88
  6. Step 6: Final answer
    x = 1,436,158.56

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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.