Home / 1,326,382.38-1,989,379.26-652,282.50

Finding the Fourth Proportional to 1,326,382.38, 1,989,379.26 and 652,282.50

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Solution

The fourth proportional to 1,326,382.38, 1,989,379.26 and 652,282.50 is: 978,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,382.38 : 1,989,379.26 = 652,282.50 : x
  2. Step 2: Convert to fraction form
    1,326,382.38/1,989,379.26 = 652,282.50/x
  3. Step 3: Cross multiply
    1,326,382.38x = 1,989,379.26 × 652,282.50
  4. Step 4: Simplify right side
    1,326,382.38x = 1,297,637,277,160.95
  5. Step 5: Solve for x
    x = 1,297,637,277,160.95/1,326,382.38
  6. Step 6: Final answer
    x = 978,328.19

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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.