Home / 1,445,690.61-1,995,064.77-801,121.58

Finding the Fourth Proportional to 1,445,690.61, 1,995,064.77 and 801,121.58

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Solution

The fourth proportional to 1,445,690.61, 1,995,064.77 and 801,121.58 is: 1,105,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,690.61 : 1,995,064.77 = 801,121.58 : x
  2. Step 2: Convert to fraction form
    1,445,690.61/1,995,064.77 = 801,121.58/x
  3. Step 3: Cross multiply
    1,445,690.61x = 1,995,064.77 × 801,121.58
  4. Step 4: Simplify right side
    1,445,690.61x = 1,598,289,430,769.41
  5. Step 5: Solve for x
    x = 1,598,289,430,769.41/1,445,690.61
  6. Step 6: Final answer
    x = 1,105,554.27

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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.