Home / 1,323,886.40-1,986,650.40-693,252.80

Finding the Fourth Proportional to 1,323,886.40, 1,986,650.40 and 693,252.80

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Solution

The fourth proportional to 1,323,886.40, 1,986,650.40 and 693,252.80 is: 1,040,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,886.40 : 1,986,650.40 = 693,252.80 : x
  2. Step 2: Convert to fraction form
    1,323,886.40/1,986,650.40 = 693,252.80/x
  3. Step 3: Cross multiply
    1,323,886.40x = 1,986,650.40 × 693,252.80
  4. Step 4: Simplify right side
    1,323,886.40x = 1,377,250,952,421.12
  5. Step 5: Solve for x
    x = 1,377,250,952,421.12/1,323,886.40
  6. Step 6: Final answer
    x = 1,040,309.01

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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.