Home / 1,502,500.80-2,073,439.20-823,435.68

Finding the Fourth Proportional to 1,502,500.80, 2,073,439.20 and 823,435.68

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Solution

The fourth proportional to 1,502,500.80, 2,073,439.20 and 823,435.68 is: 1,136,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,500.80 : 2,073,439.20 = 823,435.68 : x
  2. Step 2: Convert to fraction form
    1,502,500.80/2,073,439.20 = 823,435.68/x
  3. Step 3: Cross multiply
    1,502,500.80x = 2,073,439.20 × 823,435.68
  4. Step 4: Simplify right side
    1,502,500.80x = 1,707,343,817,590.66
  5. Step 5: Solve for x
    x = 1,707,343,817,590.66/1,502,500.80
  6. Step 6: Final answer
    x = 1,136,334.71

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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.