Home / 1,327,594.47-1,991,340.45-380,965.20

Finding the Fourth Proportional to 1,327,594.47, 1,991,340.45 and 380,965.20

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Solution

The fourth proportional to 1,327,594.47, 1,991,340.45 and 380,965.20 is: 571,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,594.47 : 1,991,340.45 = 380,965.20 : x
  2. Step 2: Convert to fraction form
    1,327,594.47/1,991,340.45 = 380,965.20/x
  3. Step 3: Cross multiply
    1,327,594.47x = 1,991,340.45 × 380,965.20
  4. Step 4: Simplify right side
    1,327,594.47x = 758,631,412,802.34
  5. Step 5: Solve for x
    x = 758,631,412,802.34/1,327,594.47
  6. Step 6: Final answer
    x = 571,433.09

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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.