Home / 1,330,479.92-1,996,507.20-489,622.16

Finding the Fourth Proportional to 1,330,479.92, 1,996,507.20 and 489,622.16

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Solution

The fourth proportional to 1,330,479.92, 1,996,507.20 and 489,622.16 is: 734,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,479.92 : 1,996,507.20 = 489,622.16 : x
  2. Step 2: Convert to fraction form
    1,330,479.92/1,996,507.20 = 489,622.16/x
  3. Step 3: Cross multiply
    1,330,479.92x = 1,996,507.20 × 489,622.16
  4. Step 4: Simplify right side
    1,330,479.92x = 977,534,167,719.55
  5. Step 5: Solve for x
    x = 977,534,167,719.55/1,330,479.92
  6. Step 6: Final answer
    x = 734,722.98

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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.