Home / 1,247,810.10-1,871,715.15-449,117.70

Finding the Fourth Proportional to 1,247,810.10, 1,871,715.15 and 449,117.70

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Solution

The fourth proportional to 1,247,810.10, 1,871,715.15 and 449,117.70 is: 673,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,810.10 : 1,871,715.15 = 449,117.70 : x
  2. Step 2: Convert to fraction form
    1,247,810.10/1,871,715.15 = 449,117.70/x
  3. Step 3: Cross multiply
    1,247,810.10x = 1,871,715.15 × 449,117.70
  4. Step 4: Simplify right side
    1,247,810.10x = 840,620,403,223.16
  5. Step 5: Solve for x
    x = 840,620,403,223.16/1,247,810.10
  6. Step 6: Final answer
    x = 673,676.55

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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.