Home / 1,502,820.40-2,073,971.64-823,785.52

Finding the Fourth Proportional to 1,502,820.40, 2,073,971.64 and 823,785.52

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Solution

The fourth proportional to 1,502,820.40, 2,073,971.64 and 823,785.52 is: 1,136,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,820.40 : 2,073,971.64 = 823,785.52 : x
  2. Step 2: Convert to fraction form
    1,502,820.40/2,073,971.64 = 823,785.52/x
  3. Step 3: Cross multiply
    1,502,820.40x = 2,073,971.64 × 823,785.52
  4. Step 4: Simplify right side
    1,502,820.40x = 1,708,507,805,922.65
  5. Step 5: Solve for x
    x = 1,708,507,805,922.65/1,502,820.40
  6. Step 6: Final answer
    x = 1,136,867.59

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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.