Home / 1,116,549.40-1,675,212.90-485,656.60

Finding the Fourth Proportional to 1,116,549.40, 1,675,212.90 and 485,656.60

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Solution

The fourth proportional to 1,116,549.40, 1,675,212.90 and 485,656.60 is: 728,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,549.40 : 1,675,212.90 = 485,656.60 : x
  2. Step 2: Convert to fraction form
    1,116,549.40/1,675,212.90 = 485,656.60/x
  3. Step 3: Cross multiply
    1,116,549.40x = 1,675,212.90 × 485,656.60
  4. Step 4: Simplify right side
    1,116,549.40x = 813,578,201,290.14
  5. Step 5: Solve for x
    x = 813,578,201,290.14/1,116,549.40
  6. Step 6: Final answer
    x = 728,654.01

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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.