Home / 1,040,123.60-1,560,185.40-760,187.60

Finding the Fourth Proportional to 1,040,123.60, 1,560,185.40 and 760,187.60

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Solution

The fourth proportional to 1,040,123.60, 1,560,185.40 and 760,187.60 is: 1,140,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,123.60 : 1,560,185.40 = 760,187.60 : x
  2. Step 2: Convert to fraction form
    1,040,123.60/1,560,185.40 = 760,187.60/x
  3. Step 3: Cross multiply
    1,040,123.60x = 1,560,185.40 × 760,187.60
  4. Step 4: Simplify right side
    1,040,123.60x = 1,186,033,594,781.04
  5. Step 5: Solve for x
    x = 1,186,033,594,781.04/1,040,123.60
  6. Step 6: Final answer
    x = 1,140,281.40

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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.