Home / 1,341,939.47-2,012,482.73-443,213.69

Finding the Fourth Proportional to 1,341,939.47, 2,012,482.73 and 443,213.69

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Solution

The fourth proportional to 1,341,939.47, 2,012,482.73 and 443,213.69 is: 664,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,939.47 : 2,012,482.73 = 443,213.69 : x
  2. Step 2: Convert to fraction form
    1,341,939.47/2,012,482.73 = 443,213.69/x
  3. Step 3: Cross multiply
    1,341,939.47x = 2,012,482.73 × 443,213.69
  4. Step 4: Simplify right side
    1,341,939.47x = 891,959,887,870.19
  5. Step 5: Solve for x
    x = 891,959,887,870.19/1,341,939.47
  6. Step 6: Final answer
    x = 664,679.68

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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.