Home / 1,478,246.40-2,040,422.40-941,875.20

Finding the Fourth Proportional to 1,478,246.40, 2,040,422.40 and 941,875.20

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Solution

The fourth proportional to 1,478,246.40, 2,040,422.40 and 941,875.20 is: 1,300,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,246.40 : 2,040,422.40 = 941,875.20 : x
  2. Step 2: Convert to fraction form
    1,478,246.40/2,040,422.40 = 941,875.20/x
  3. Step 3: Cross multiply
    1,478,246.40x = 2,040,422.40 × 941,875.20
  4. Step 4: Simplify right side
    1,478,246.40x = 1,921,823,256,084.48
  5. Step 5: Solve for x
    x = 1,921,823,256,084.48/1,478,246.40
  6. Step 6: Final answer
    x = 1,300,069.63

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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.