Home / 1,300,039.20-1,950,058.80-458,481.60

Finding the Fourth Proportional to 1,300,039.20, 1,950,058.80 and 458,481.60

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Solution

The fourth proportional to 1,300,039.20, 1,950,058.80 and 458,481.60 is: 687,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,039.20 : 1,950,058.80 = 458,481.60 : x
  2. Step 2: Convert to fraction form
    1,300,039.20/1,950,058.80 = 458,481.60/x
  3. Step 3: Cross multiply
    1,300,039.20x = 1,950,058.80 × 458,481.60
  4. Step 4: Simplify right side
    1,300,039.20x = 894,066,078,718.08
  5. Step 5: Solve for x
    x = 894,066,078,718.08/1,300,039.20
  6. Step 6: Final answer
    x = 687,722.40

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Similar ratio
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1.5x scale

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.