Home / 1,627,322.40-2,440,983.60-785,959.20

Finding the Fourth Proportional to 1,627,322.40, 2,440,983.60 and 785,959.20

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Solution

The fourth proportional to 1,627,322.40, 2,440,983.60 and 785,959.20 is: 1,178,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,322.40 : 2,440,983.60 = 785,959.20 : x
  2. Step 2: Convert to fraction form
    1,627,322.40/2,440,983.60 = 785,959.20/x
  3. Step 3: Cross multiply
    1,627,322.40x = 2,440,983.60 × 785,959.20
  4. Step 4: Simplify right side
    1,627,322.40x = 1,918,513,517,469.12
  5. Step 5: Solve for x
    x = 1,918,513,517,469.12/1,627,322.40
  6. Step 6: Final answer
    x = 1,178,938.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.