Home / 1,108,871.39-1,663,052.85-310,233.67

Finding the Fourth Proportional to 1,108,871.39, 1,663,052.85 and 310,233.67

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Solution

The fourth proportional to 1,108,871.39, 1,663,052.85 and 310,233.67 is: 465,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,871.39 : 1,663,052.85 = 310,233.67 : x
  2. Step 2: Convert to fraction form
    1,108,871.39/1,663,052.85 = 310,233.67/x
  3. Step 3: Cross multiply
    1,108,871.39x = 1,663,052.85 × 310,233.67
  4. Step 4: Simplify right side
    1,108,871.39x = 515,934,984,901.83
  5. Step 5: Solve for x
    x = 515,934,984,901.83/1,108,871.39
  6. Step 6: Final answer
    x = 465,279.37

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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.