Home / 1,292,572.80-1,939,744.88-451,124.56

Finding the Fourth Proportional to 1,292,572.80, 1,939,744.88 and 451,124.56

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Solution

The fourth proportional to 1,292,572.80, 1,939,744.88 and 451,124.56 is: 676,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,572.80 : 1,939,744.88 = 451,124.56 : x
  2. Step 2: Convert to fraction form
    1,292,572.80/1,939,744.88 = 451,124.56/x
  3. Step 3: Cross multiply
    1,292,572.80x = 1,939,744.88 × 451,124.56
  4. Step 4: Simplify right side
    1,292,572.80x = 875,066,555,502.25
  5. Step 5: Solve for x
    x = 875,066,555,502.25/1,292,572.80
  6. Step 6: Final answer
    x = 676,995.95

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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.