Home / 1,293,481.90-1,941,097.65-724,861.90

Finding the Fourth Proportional to 1,293,481.90, 1,941,097.65 and 724,861.90

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Solution

The fourth proportional to 1,293,481.90, 1,941,097.65 and 724,861.90 is: 1,087,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,481.90 : 1,941,097.65 = 724,861.90 : x
  2. Step 2: Convert to fraction form
    1,293,481.90/1,941,097.65 = 724,861.90/x
  3. Step 3: Cross multiply
    1,293,481.90x = 1,941,097.65 × 724,861.90
  4. Step 4: Simplify right side
    1,293,481.90x = 1,407,027,730,664.53
  5. Step 5: Solve for x
    x = 1,407,027,730,664.53/1,293,481.90
  6. Step 6: Final answer
    x = 1,087,783.08

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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.