Home / 1,048.12-1,570.90-560.44

Finding the Fourth Proportional to 1,048.12, 1,570.90 and 560.44

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Solution

The fourth proportional to 1,048.12, 1,570.90 and 560.44 is: 839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.12 : 1,570.90 = 560.44 : x
  2. Step 2: Convert to fraction form
    1,048.12/1,570.90 = 560.44/x
  3. Step 3: Cross multiply
    1,048.12x = 1,570.90 × 560.44
  4. Step 4: Simplify right side
    1,048.12x = 880,395.20
  5. Step 5: Solve for x
    x = 880,395.20/1,048.12
  6. Step 6: Final answer
    x = 839.98

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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.