Home / 1,061,680.36-1,588,778.88-662,509.12

Finding the Fourth Proportional to 1,061,680.36, 1,588,778.88 and 662,509.12

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Solution

The fourth proportional to 1,061,680.36, 1,588,778.88 and 662,509.12 is: 991,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,680.36 : 1,588,778.88 = 662,509.12 : x
  2. Step 2: Convert to fraction form
    1,061,680.36/1,588,778.88 = 662,509.12/x
  3. Step 3: Cross multiply
    1,061,680.36x = 1,588,778.88 × 662,509.12
  4. Step 4: Simplify right side
    1,061,680.36x = 1,052,580,497,663.39
  5. Step 5: Solve for x
    x = 1,052,580,497,663.39/1,061,680.36
  6. Step 6: Final answer
    x = 991,428.81

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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.