Home / 1,683,921.60-2,525,578.08-485,549.28

Finding the Fourth Proportional to 1,683,921.60, 2,525,578.08 and 485,549.28

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Solution

The fourth proportional to 1,683,921.60, 2,525,578.08 and 485,549.28 is: 728,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,921.60 : 2,525,578.08 = 485,549.28 : x
  2. Step 2: Convert to fraction form
    1,683,921.60/2,525,578.08 = 485,549.28/x
  3. Step 3: Cross multiply
    1,683,921.60x = 2,525,578.08 × 485,549.28
  4. Step 4: Simplify right side
    1,683,921.60x = 1,226,292,618,327.78
  5. Step 5: Solve for x
    x = 1,226,292,618,327.78/1,683,921.60
  6. Step 6: Final answer
    x = 728,236.17

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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.