Home / 1,323,098.10-1,982,875.68-648,146.16

Finding the Fourth Proportional to 1,323,098.10, 1,982,875.68 and 648,146.16

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Solution

The fourth proportional to 1,323,098.10, 1,982,875.68 and 648,146.16 is: 971,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,098.10 : 1,982,875.68 = 648,146.16 : x
  2. Step 2: Convert to fraction form
    1,323,098.10/1,982,875.68 = 648,146.16/x
  3. Step 3: Cross multiply
    1,323,098.10x = 1,982,875.68 × 648,146.16
  4. Step 4: Simplify right side
    1,323,098.10x = 1,285,193,257,749.39
  5. Step 5: Solve for x
    x = 1,285,193,257,749.39/1,323,098.10
  6. Step 6: Final answer
    x = 971,351.45

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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.