Home / 1,294,443.20-1,941,146.40-452,561.60

Finding the Fourth Proportional to 1,294,443.20, 1,941,146.40 and 452,561.60

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Solution

The fourth proportional to 1,294,443.20, 1,941,146.40 and 452,561.60 is: 678,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,443.20 : 1,941,146.40 = 452,561.60 : x
  2. Step 2: Convert to fraction form
    1,294,443.20/1,941,146.40 = 452,561.60/x
  3. Step 3: Cross multiply
    1,294,443.20x = 1,941,146.40 × 452,561.60
  4. Step 4: Simplify right side
    1,294,443.20x = 878,488,320,618.24
  5. Step 5: Solve for x
    x = 878,488,320,618.24/1,294,443.20
  6. Step 6: Final answer
    x = 678,661.16

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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.