Home / 1,242,438.38-1,714,579.56-752,399.13

Finding the Fourth Proportional to 1,242,438.38, 1,714,579.56 and 752,399.13

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Solution

The fourth proportional to 1,242,438.38, 1,714,579.56 and 752,399.13 is: 1,038,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,438.38 : 1,714,579.56 = 752,399.13 : x
  2. Step 2: Convert to fraction form
    1,242,438.38/1,714,579.56 = 752,399.13/x
  3. Step 3: Cross multiply
    1,242,438.38x = 1,714,579.56 × 752,399.13
  4. Step 4: Simplify right side
    1,242,438.38x = 1,290,048,169,259.78
  5. Step 5: Solve for x
    x = 1,290,048,169,259.78/1,242,438.38
  6. Step 6: Final answer
    x = 1,038,319.64

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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.