Home / 1,177.25-1,624.66-705.06

Finding the Fourth Proportional to 1,177.25, 1,624.66 and 705.06

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Solution

The fourth proportional to 1,177.25, 1,624.66 and 705.06 is: 973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.25 : 1,624.66 = 705.06 : x
  2. Step 2: Convert to fraction form
    1,177.25/1,624.66 = 705.06/x
  3. Step 3: Cross multiply
    1,177.25x = 1,624.66 × 705.06
  4. Step 4: Simplify right side
    1,177.25x = 1,145,480.61
  5. Step 5: Solve for x
    x = 1,145,480.61/1,177.25
  6. Step 6: Final answer
    x = 973.01

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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.