Home / 1,130.06-1,559.42-632.66

Finding the Fourth Proportional to 1,130.06, 1,559.42 and 632.66

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Solution

The fourth proportional to 1,130.06, 1,559.42 and 632.66 is: 873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.06 : 1,559.42 = 632.66 : x
  2. Step 2: Convert to fraction form
    1,130.06/1,559.42 = 632.66/x
  3. Step 3: Cross multiply
    1,130.06x = 1,559.42 × 632.66
  4. Step 4: Simplify right side
    1,130.06x = 986,582.66
  5. Step 5: Solve for x
    x = 986,582.66/1,130.06
  6. Step 6: Final answer
    x = 873.04

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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.