Home / 1,343,266.89-2,015,166.26-383,730.78

Finding the Fourth Proportional to 1,343,266.89, 2,015,166.26 and 383,730.78

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Solution

The fourth proportional to 1,343,266.89, 2,015,166.26 and 383,730.78 is: 575,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,266.89 : 2,015,166.26 = 383,730.78 : x
  2. Step 2: Convert to fraction form
    1,343,266.89/2,015,166.26 = 383,730.78/x
  3. Step 3: Cross multiply
    1,343,266.89x = 2,015,166.26 × 383,730.78
  4. Step 4: Simplify right side
    1,343,266.89x = 773,281,327,137.20
  5. Step 5: Solve for x
    x = 773,281,327,137.20/1,343,266.89
  6. Step 6: Final answer
    x = 575,672.14

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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.