Home / 1,047.14-1,569.90-560.60

Finding the Fourth Proportional to 1,047.14, 1,569.90 and 560.60

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Solution

The fourth proportional to 1,047.14, 1,569.90 and 560.60 is: 840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.14 : 1,569.90 = 560.60 : x
  2. Step 2: Convert to fraction form
    1,047.14/1,569.90 = 560.60/x
  3. Step 3: Cross multiply
    1,047.14x = 1,569.90 × 560.60
  4. Step 4: Simplify right side
    1,047.14x = 880,085.94
  5. Step 5: Solve for x
    x = 880,085.94/1,047.14
  6. Step 6: Final answer
    x = 840.47

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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.