Home / 1,375,400.40-2,064,655.80-814,750.80

Finding the Fourth Proportional to 1,375,400.40, 2,064,655.80 and 814,750.80

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Solution

The fourth proportional to 1,375,400.40, 2,064,655.80 and 814,750.80 is: 1,223,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,400.40 : 2,064,655.80 = 814,750.80 : x
  2. Step 2: Convert to fraction form
    1,375,400.40/2,064,655.80 = 814,750.80/x
  3. Step 3: Cross multiply
    1,375,400.40x = 2,064,655.80 × 814,750.80
  4. Step 4: Simplify right side
    1,375,400.40x = 1,682,179,964,774.64
  5. Step 5: Solve for x
    x = 1,682,179,964,774.64/1,375,400.40
  6. Step 6: Final answer
    x = 1,223,047.46

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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.