Home / 1,247,038.10-1,720,911.83-674,078.29

Finding the Fourth Proportional to 1,247,038.10, 1,720,911.83 and 674,078.29

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Solution

The fourth proportional to 1,247,038.10, 1,720,911.83 and 674,078.29 is: 930,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,038.10 : 1,720,911.83 = 674,078.29 : x
  2. Step 2: Convert to fraction form
    1,247,038.10/1,720,911.83 = 674,078.29/x
  3. Step 3: Cross multiply
    1,247,038.10x = 1,720,911.83 × 674,078.29
  4. Step 4: Simplify right side
    1,247,038.10x = 1,160,029,295,934.50
  5. Step 5: Solve for x
    x = 1,160,029,295,934.50/1,247,038.10
  6. Step 6: Final answer
    x = 930,227.63

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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.