Home / 1,300,387.06-1,951,351.17-724,492.36

Finding the Fourth Proportional to 1,300,387.06, 1,951,351.17 and 724,492.36

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Solution

The fourth proportional to 1,300,387.06, 1,951,351.17 and 724,492.36 is: 1,087,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,387.06 : 1,951,351.17 = 724,492.36 : x
  2. Step 2: Convert to fraction form
    1,300,387.06/1,951,351.17 = 724,492.36/x
  3. Step 3: Cross multiply
    1,300,387.06x = 1,951,351.17 × 724,492.36
  4. Step 4: Simplify right side
    1,300,387.06x = 1,413,739,014,342.06
  5. Step 5: Solve for x
    x = 1,413,739,014,342.06/1,300,387.06
  6. Step 6: Final answer
    x = 1,087,167.86

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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.