Home / 1,224,230.40-1,689,404.20-680,352.48

Finding the Fourth Proportional to 1,224,230.40, 1,689,404.20 and 680,352.48

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Solution

The fourth proportional to 1,224,230.40, 1,689,404.20 and 680,352.48 is: 938,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,230.40 : 1,689,404.20 = 680,352.48 : x
  2. Step 2: Convert to fraction form
    1,224,230.40/1,689,404.20 = 680,352.48/x
  3. Step 3: Cross multiply
    1,224,230.40x = 1,689,404.20 × 680,352.48
  4. Step 4: Simplify right side
    1,224,230.40x = 1,149,390,337,192.42
  5. Step 5: Solve for x
    x = 1,149,390,337,192.42/1,224,230.40
  6. Step 6: Final answer
    x = 938,867.67

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Double scale
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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.