Home / 1,312,735.06-1,969,102.38-315,463.06

Finding the Fourth Proportional to 1,312,735.06, 1,969,102.38 and 315,463.06

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Solution

The fourth proportional to 1,312,735.06, 1,969,102.38 and 315,463.06 is: 473,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,735.06 : 1,969,102.38 = 315,463.06 : x
  2. Step 2: Convert to fraction form
    1,312,735.06/1,969,102.38 = 315,463.06/x
  3. Step 3: Cross multiply
    1,312,735.06x = 1,969,102.38 × 315,463.06
  4. Step 4: Simplify right side
    1,312,735.06x = 621,179,062,248.08
  5. Step 5: Solve for x
    x = 621,179,062,248.08/1,312,735.06
  6. Step 6: Final answer
    x = 473,194.54

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Similar ratio
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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.