Home / 1,521,943.20-2,283,264.72-457,005.42

Finding the Fourth Proportional to 1,521,943.20, 2,283,264.72 and 457,005.42

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Solution

The fourth proportional to 1,521,943.20, 2,283,264.72 and 457,005.42 is: 685,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,943.20 : 2,283,264.72 = 457,005.42 : x
  2. Step 2: Convert to fraction form
    1,521,943.20/2,283,264.72 = 457,005.42/x
  3. Step 3: Cross multiply
    1,521,943.20x = 2,283,264.72 × 457,005.42
  4. Step 4: Simplify right side
    1,521,943.20x = 1,043,464,352,334.78
  5. Step 5: Solve for x
    x = 1,043,464,352,334.78/1,521,943.20
  6. Step 6: Final answer
    x = 685,613.20

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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.