Home / 1,480,019.40-2,042,426.78-800,955.90

Finding the Fourth Proportional to 1,480,019.40, 2,042,426.78 and 800,955.90

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Solution

The fourth proportional to 1,480,019.40, 2,042,426.78 and 800,955.90 is: 1,105,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,019.40 : 2,042,426.78 = 800,955.90 : x
  2. Step 2: Convert to fraction form
    1,480,019.40/2,042,426.78 = 800,955.90/x
  3. Step 3: Cross multiply
    1,480,019.40x = 2,042,426.78 × 800,955.90
  4. Step 4: Simplify right side
    1,480,019.40x = 1,635,893,769,546.87
  5. Step 5: Solve for x
    x = 1,635,893,769,546.87/1,480,019.40
  6. Step 6: Final answer
    x = 1,105,319.14

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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.