Home / 1,074,945.45-1,612,430.70-426,680.83

Finding the Fourth Proportional to 1,074,945.45, 1,612,430.70 and 426,680.83

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Solution

The fourth proportional to 1,074,945.45, 1,612,430.70 and 426,680.83 is: 640,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,945.45 : 1,612,430.70 = 426,680.83 : x
  2. Step 2: Convert to fraction form
    1,074,945.45/1,612,430.70 = 426,680.83/x
  3. Step 3: Cross multiply
    1,074,945.45x = 1,612,430.70 × 426,680.83
  4. Step 4: Simplify right side
    1,074,945.45x = 687,993,272,209.05
  5. Step 5: Solve for x
    x = 687,993,272,209.05/1,074,945.45
  6. Step 6: Final answer
    x = 640,026.22

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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.