Home / 1,375,113.36-1,897,627.02-763,230.44

Finding the Fourth Proportional to 1,375,113.36, 1,897,627.02 and 763,230.44

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Solution

The fourth proportional to 1,375,113.36, 1,897,627.02 and 763,230.44 is: 1,053,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,113.36 : 1,897,627.02 = 763,230.44 : x
  2. Step 2: Convert to fraction form
    1,375,113.36/1,897,627.02 = 763,230.44/x
  3. Step 3: Cross multiply
    1,375,113.36x = 1,897,627.02 × 763,230.44
  4. Step 4: Simplify right side
    1,375,113.36x = 1,448,326,705,430.49
  5. Step 5: Solve for x
    x = 1,448,326,705,430.49/1,375,113.36
  6. Step 6: Final answer
    x = 1,053,241.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.