Home / 1,228,467.20-1,842,700.80-803,314.40

Finding the Fourth Proportional to 1,228,467.20, 1,842,700.80 and 803,314.40

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Solution

The fourth proportional to 1,228,467.20, 1,842,700.80 and 803,314.40 is: 1,204,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,467.20 : 1,842,700.80 = 803,314.40 : x
  2. Step 2: Convert to fraction form
    1,228,467.20/1,842,700.80 = 803,314.40/x
  3. Step 3: Cross multiply
    1,228,467.20x = 1,842,700.80 × 803,314.40
  4. Step 4: Simplify right side
    1,228,467.20x = 1,480,268,087,531.52
  5. Step 5: Solve for x
    x = 1,480,268,087,531.52/1,228,467.20
  6. Step 6: Final answer
    x = 1,204,971.60

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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.