Home / 1,312,853.60-1,969,345.20-682,997.60

Finding the Fourth Proportional to 1,312,853.60, 1,969,345.20 and 682,997.60

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Solution

The fourth proportional to 1,312,853.60, 1,969,345.20 and 682,997.60 is: 1,024,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,853.60 : 1,969,345.20 = 682,997.60 : x
  2. Step 2: Convert to fraction form
    1,312,853.60/1,969,345.20 = 682,997.60/x
  3. Step 3: Cross multiply
    1,312,853.60x = 1,969,345.20 × 682,997.60
  4. Step 4: Simplify right side
    1,312,853.60x = 1,345,058,045,171.52
  5. Step 5: Solve for x
    x = 1,345,058,045,171.52/1,312,853.60
  6. Step 6: Final answer
    x = 1,024,530.11

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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.