Home / 1,517,176.60-2,275,764.90-1,038,879.70

Finding the Fourth Proportional to 1,517,176.60, 2,275,764.90 and 1,038,879.70

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Solution

The fourth proportional to 1,517,176.60, 2,275,764.90 and 1,038,879.70 is: 1,558,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,176.60 : 2,275,764.90 = 1,038,879.70 : x
  2. Step 2: Convert to fraction form
    1,517,176.60/2,275,764.90 = 1,038,879.70/x
  3. Step 3: Cross multiply
    1,517,176.60x = 2,275,764.90 × 1,038,879.70
  4. Step 4: Simplify right side
    1,517,176.60x = 2,364,245,956,582.53
  5. Step 5: Solve for x
    x = 2,364,245,956,582.53/1,517,176.60
  6. Step 6: Final answer
    x = 1,558,319.55

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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.