Home / 1,117.18-1,541.87-675.33

Finding the Fourth Proportional to 1,117.18, 1,541.87 and 675.33

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Solution

The fourth proportional to 1,117.18, 1,541.87 and 675.33 is: 932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.18 : 1,541.87 = 675.33 : x
  2. Step 2: Convert to fraction form
    1,117.18/1,541.87 = 675.33/x
  3. Step 3: Cross multiply
    1,117.18x = 1,541.87 × 675.33
  4. Step 4: Simplify right side
    1,117.18x = 1,041,271.07
  5. Step 5: Solve for x
    x = 1,041,271.07/1,117.18
  6. Step 6: Final answer
    x = 932.05

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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.