Home / 1,158,878.40-1,738,317.60-920,932.80

Finding the Fourth Proportional to 1,158,878.40, 1,738,317.60 and 920,932.80

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Solution

The fourth proportional to 1,158,878.40, 1,738,317.60 and 920,932.80 is: 1,381,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,878.40 : 1,738,317.60 = 920,932.80 : x
  2. Step 2: Convert to fraction form
    1,158,878.40/1,738,317.60 = 920,932.80/x
  3. Step 3: Cross multiply
    1,158,878.40x = 1,738,317.60 × 920,932.80
  4. Step 4: Simplify right side
    1,158,878.40x = 1,600,873,694,657.28
  5. Step 5: Solve for x
    x = 1,600,873,694,657.28/1,158,878.40
  6. Step 6: Final answer
    x = 1,381,399.20

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Why These Related Problems?

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