Home / 1,312,493.45-1,969,029.20-401,682.92

Finding the Fourth Proportional to 1,312,493.45, 1,969,029.20 and 401,682.92

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Solution

The fourth proportional to 1,312,493.45, 1,969,029.20 and 401,682.92 is: 602,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,493.45 : 1,969,029.20 = 401,682.92 : x
  2. Step 2: Convert to fraction form
    1,312,493.45/1,969,029.20 = 401,682.92/x
  3. Step 3: Cross multiply
    1,312,493.45x = 1,969,029.20 × 401,682.92
  4. Step 4: Simplify right side
    1,312,493.45x = 790,925,386,767.70
  5. Step 5: Solve for x
    x = 790,925,386,767.70/1,312,493.45
  6. Step 6: Final answer
    x = 602,612.83

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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.