Home / 1,418,228.88-1,959,290.10-929,360.16

Finding the Fourth Proportional to 1,418,228.88, 1,959,290.10 and 929,360.16

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Solution

The fourth proportional to 1,418,228.88, 1,959,290.10 and 929,360.16 is: 1,283,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,228.88 : 1,959,290.10 = 929,360.16 : x
  2. Step 2: Convert to fraction form
    1,418,228.88/1,959,290.10 = 929,360.16/x
  3. Step 3: Cross multiply
    1,418,228.88x = 1,959,290.10 × 929,360.16
  4. Step 4: Simplify right side
    1,418,228.88x = 1,820,886,160,822.42
  5. Step 5: Solve for x
    x = 1,820,886,160,822.42/1,418,228.88
  6. Step 6: Final answer
    x = 1,283,915.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.