Home / 1,418,649.66-2,122,981.65-886,421.34

Finding the Fourth Proportional to 1,418,649.66, 2,122,981.65 and 886,421.34

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Solution

The fourth proportional to 1,418,649.66, 2,122,981.65 and 886,421.34 is: 1,326,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,649.66 : 2,122,981.65 = 886,421.34 : x
  2. Step 2: Convert to fraction form
    1,418,649.66/2,122,981.65 = 886,421.34/x
  3. Step 3: Cross multiply
    1,418,649.66x = 2,122,981.65 × 886,421.34
  4. Step 4: Simplify right side
    1,418,649.66x = 1,881,856,238,988.41
  5. Step 5: Solve for x
    x = 1,881,856,238,988.41/1,418,649.66
  6. Step 6: Final answer
    x = 1,326,512.31

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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.