Home / 1,353,221.50-1,867,445.68-749,609.50

Finding the Fourth Proportional to 1,353,221.50, 1,867,445.68 and 749,609.50

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Solution

The fourth proportional to 1,353,221.50, 1,867,445.68 and 749,609.50 is: 1,034,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,221.50 : 1,867,445.68 = 749,609.50 : x
  2. Step 2: Convert to fraction form
    1,353,221.50/1,867,445.68 = 749,609.50/x
  3. Step 3: Cross multiply
    1,353,221.50x = 1,867,445.68 × 749,609.50
  4. Step 4: Simplify right side
    1,353,221.50x = 1,399,855,022,461.96
  5. Step 5: Solve for x
    x = 1,399,855,022,461.96/1,353,221.50
  6. Step 6: Final answer
    x = 1,034,461.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.