Home / 1,247,351.60-1,871,027.40-448,659.20

Finding the Fourth Proportional to 1,247,351.60, 1,871,027.40 and 448,659.20

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Solution

The fourth proportional to 1,247,351.60, 1,871,027.40 and 448,659.20 is: 672,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,351.60 : 1,871,027.40 = 448,659.20 : x
  2. Step 2: Convert to fraction form
    1,247,351.60/1,871,027.40 = 448,659.20/x
  3. Step 3: Cross multiply
    1,247,351.60x = 1,871,027.40 × 448,659.20
  4. Step 4: Simplify right side
    1,247,351.60x = 839,453,656,462.08
  5. Step 5: Solve for x
    x = 839,453,656,462.08/1,247,351.60
  6. Step 6: Final answer
    x = 672,988.80

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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.