Home / 1,341,053.21-1,850,627.10-729,200.78

Finding the Fourth Proportional to 1,341,053.21, 1,850,627.10 and 729,200.78

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Solution

The fourth proportional to 1,341,053.21, 1,850,627.10 and 729,200.78 is: 1,006,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,053.21 : 1,850,627.10 = 729,200.78 : x
  2. Step 2: Convert to fraction form
    1,341,053.21/1,850,627.10 = 729,200.78/x
  3. Step 3: Cross multiply
    1,341,053.21x = 1,850,627.10 × 729,200.78
  4. Step 4: Simplify right side
    1,341,053.21x = 1,349,478,721,128.60
  5. Step 5: Solve for x
    x = 1,349,478,721,128.60/1,341,053.21
  6. Step 6: Final answer
    x = 1,006,282.75

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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.