Home / 1,245,325.60-1,868,218.80-403,904.80

Finding the Fourth Proportional to 1,245,325.60, 1,868,218.80 and 403,904.80

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Solution

The fourth proportional to 1,245,325.60, 1,868,218.80 and 403,904.80 is: 605,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,325.60 : 1,868,218.80 = 403,904.80 : x
  2. Step 2: Convert to fraction form
    1,245,325.60/1,868,218.80 = 403,904.80/x
  3. Step 3: Cross multiply
    1,245,325.60x = 1,868,218.80 × 403,904.80
  4. Step 4: Simplify right side
    1,245,325.60x = 754,582,540,770.24
  5. Step 5: Solve for x
    x = 754,582,540,770.24/1,245,325.60
  6. Step 6: Final answer
    x = 605,931.93

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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.