Home / 1,046.76-1,569.06-560.40

Finding the Fourth Proportional to 1,046.76, 1,569.06 and 560.40

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Solution

The fourth proportional to 1,046.76, 1,569.06 and 560.40 is: 840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.76 : 1,569.06 = 560.40 : x
  2. Step 2: Convert to fraction form
    1,046.76/1,569.06 = 560.40/x
  3. Step 3: Cross multiply
    1,046.76x = 1,569.06 × 560.40
  4. Step 4: Simplify right side
    1,046.76x = 879,301.22
  5. Step 5: Solve for x
    x = 879,301.22/1,046.76
  6. Step 6: Final answer
    x = 840.02

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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.