Home / 1,658,948.22-2,488,421.25-948,478.05

Finding the Fourth Proportional to 1,658,948.22, 2,488,421.25 and 948,478.05

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Solution

The fourth proportional to 1,658,948.22, 2,488,421.25 and 948,478.05 is: 1,422,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,948.22 : 2,488,421.25 = 948,478.05 : x
  2. Step 2: Convert to fraction form
    1,658,948.22/2,488,421.25 = 948,478.05/x
  3. Step 3: Cross multiply
    1,658,948.22x = 2,488,421.25 × 948,478.05
  4. Step 4: Simplify right side
    1,658,948.22x = 2,360,212,934,778.56
  5. Step 5: Solve for x
    x = 2,360,212,934,778.56/1,658,948.22
  6. Step 6: Final answer
    x = 1,422,716.46

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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.