Home / 1,247,627.80-1,871,441.70-449,810.20

Finding the Fourth Proportional to 1,247,627.80, 1,871,441.70 and 449,810.20

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Solution

The fourth proportional to 1,247,627.80, 1,871,441.70 and 449,810.20 is: 674,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,627.80 : 1,871,441.70 = 449,810.20 : x
  2. Step 2: Convert to fraction form
    1,247,627.80/1,871,441.70 = 449,810.20/x
  3. Step 3: Cross multiply
    1,247,627.80x = 1,871,441.70 × 449,810.20
  4. Step 4: Simplify right side
    1,247,627.80x = 841,793,565,365.34
  5. Step 5: Solve for x
    x = 841,793,565,365.34/1,247,627.80
  6. Step 6: Final answer
    x = 674,715.30

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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.