Home / 1,490,999.20-2,236,498.80-493,727.20

Finding the Fourth Proportional to 1,490,999.20, 2,236,498.80 and 493,727.20

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Solution

The fourth proportional to 1,490,999.20, 2,236,498.80 and 493,727.20 is: 740,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,999.20 : 2,236,498.80 = 493,727.20 : x
  2. Step 2: Convert to fraction form
    1,490,999.20/2,236,498.80 = 493,727.20/x
  3. Step 3: Cross multiply
    1,490,999.20x = 2,236,498.80 × 493,727.20
  4. Step 4: Simplify right side
    1,490,999.20x = 1,104,220,290,327.36
  5. Step 5: Solve for x
    x = 1,104,220,290,327.36/1,490,999.20
  6. Step 6: Final answer
    x = 740,590.80

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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.