Home / 1,040,152.20-1,557,117.90-978,635.40

Finding the Fourth Proportional to 1,040,152.20, 1,557,117.90 and 978,635.40

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Solution

The fourth proportional to 1,040,152.20, 1,557,117.90 and 978,635.40 is: 1,465,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,152.20 : 1,557,117.90 = 978,635.40 : x
  2. Step 2: Convert to fraction form
    1,040,152.20/1,557,117.90 = 978,635.40/x
  3. Step 3: Cross multiply
    1,040,152.20x = 1,557,117.90 × 978,635.40
  4. Step 4: Simplify right side
    1,040,152.20x = 1,523,850,698,913.66
  5. Step 5: Solve for x
    x = 1,523,850,698,913.66/1,040,152.20
  6. Step 6: Final answer
    x = 1,465,026.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.