Home / 1,069.36-1,475.37-597.18

Finding the Fourth Proportional to 1,069.36, 1,475.37 and 597.18

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Solution

The fourth proportional to 1,069.36, 1,475.37 and 597.18 is: 823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.36 : 1,475.37 = 597.18 : x
  2. Step 2: Convert to fraction form
    1,069.36/1,475.37 = 597.18/x
  3. Step 3: Cross multiply
    1,069.36x = 1,475.37 × 597.18
  4. Step 4: Simplify right side
    1,069.36x = 881,061.46
  5. Step 5: Solve for x
    x = 881,061.46/1,069.36
  6. Step 6: Final answer
    x = 823.91

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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.