Home / 1,502,823.40-2,073,975.78-823,788.52

Finding the Fourth Proportional to 1,502,823.40, 2,073,975.78 and 823,788.52

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Solution

The fourth proportional to 1,502,823.40, 2,073,975.78 and 823,788.52 is: 1,136,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,823.40 : 2,073,975.78 = 823,788.52 : x
  2. Step 2: Convert to fraction form
    1,502,823.40/2,073,975.78 = 823,788.52/x
  3. Step 3: Cross multiply
    1,502,823.40x = 2,073,975.78 × 823,788.52
  4. Step 4: Simplify right side
    1,502,823.40x = 1,708,517,438,322.05
  5. Step 5: Solve for x
    x = 1,708,517,438,322.05/1,502,823.40
  6. Step 6: Final answer
    x = 1,136,871.73

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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.