Home / 1,605,715.22-2,408,670.12-646,167.15

Finding the Fourth Proportional to 1,605,715.22, 2,408,670.12 and 646,167.15

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Solution

The fourth proportional to 1,605,715.22, 2,408,670.12 and 646,167.15 is: 969,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,715.22 : 2,408,670.12 = 646,167.15 : x
  2. Step 2: Convert to fraction form
    1,605,715.22/2,408,670.12 = 646,167.15/x
  3. Step 3: Cross multiply
    1,605,715.22x = 2,408,670.12 × 646,167.15
  4. Step 4: Simplify right side
    1,605,715.22x = 1,556,403,506,730.56
  5. Step 5: Solve for x
    x = 1,556,403,506,730.56/1,605,715.22
  6. Step 6: Final answer
    x = 969,289.88

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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.