Home / 1,403,335.20-2,105,002.80-1,384,672.80

Finding the Fourth Proportional to 1,403,335.20, 2,105,002.80 and 1,384,672.80

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Solution

The fourth proportional to 1,403,335.20, 2,105,002.80 and 1,384,672.80 is: 2,077,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,335.20 : 2,105,002.80 = 1,384,672.80 : x
  2. Step 2: Convert to fraction form
    1,403,335.20/2,105,002.80 = 1,384,672.80/x
  3. Step 3: Cross multiply
    1,403,335.20x = 2,105,002.80 × 1,384,672.80
  4. Step 4: Simplify right side
    1,403,335.20x = 2,914,740,121,083.84
  5. Step 5: Solve for x
    x = 2,914,740,121,083.84/1,403,335.20
  6. Step 6: Final answer
    x = 2,077,009.20

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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.