Home / 1,307,062.60-1,960,595.44-408,509.04

Finding the Fourth Proportional to 1,307,062.60, 1,960,595.44 and 408,509.04

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Solution

The fourth proportional to 1,307,062.60, 1,960,595.44 and 408,509.04 is: 612,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,062.60 : 1,960,595.44 = 408,509.04 : x
  2. Step 2: Convert to fraction form
    1,307,062.60/1,960,595.44 = 408,509.04/x
  3. Step 3: Cross multiply
    1,307,062.60x = 1,960,595.44 × 408,509.04
  4. Step 4: Simplify right side
    1,307,062.60x = 800,920,961,022.78
  5. Step 5: Solve for x
    x = 800,920,961,022.78/1,307,062.60
  6. Step 6: Final answer
    x = 612,764.04

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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.