Home / 1,245,552.60-1,868,231.70-487,246.80

Finding the Fourth Proportional to 1,245,552.60, 1,868,231.70 and 487,246.80

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Solution

The fourth proportional to 1,245,552.60, 1,868,231.70 and 487,246.80 is: 730,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,552.60 : 1,868,231.70 = 487,246.80 : x
  2. Step 2: Convert to fraction form
    1,245,552.60/1,868,231.70 = 487,246.80/x
  3. Step 3: Cross multiply
    1,245,552.60x = 1,868,231.70 × 487,246.80
  4. Step 4: Simplify right side
    1,245,552.60x = 910,289,917,483.56
  5. Step 5: Solve for x
    x = 910,289,917,483.56/1,245,552.60
  6. Step 6: Final answer
    x = 730,832.18

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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.