Home / 1,408,012.66-2,108,960.43-866,618.74

Finding the Fourth Proportional to 1,408,012.66, 2,108,960.43 and 866,618.74

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Solution

The fourth proportional to 1,408,012.66, 2,108,960.43 and 866,618.74 is: 1,298,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,012.66 : 2,108,960.43 = 866,618.74 : x
  2. Step 2: Convert to fraction form
    1,408,012.66/2,108,960.43 = 866,618.74/x
  3. Step 3: Cross multiply
    1,408,012.66x = 2,108,960.43 × 866,618.74
  4. Step 4: Simplify right side
    1,408,012.66x = 1,827,664,630,556.46
  5. Step 5: Solve for x
    x = 1,827,664,630,556.46/1,408,012.66
  6. Step 6: Final answer
    x = 1,298,045.59

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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.