Home / 1,441,984.78-1,988,129.71-924,825.80

Finding the Fourth Proportional to 1,441,984.78, 1,988,129.71 and 924,825.80

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Solution

The fourth proportional to 1,441,984.78, 1,988,129.71 and 924,825.80 is: 1,275,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,984.78 : 1,988,129.71 = 924,825.80 : x
  2. Step 2: Convert to fraction form
    1,441,984.78/1,988,129.71 = 924,825.80/x
  3. Step 3: Cross multiply
    1,441,984.78x = 1,988,129.71 × 924,825.80
  4. Step 4: Simplify right side
    1,441,984.78x = 1,838,673,655,680.87
  5. Step 5: Solve for x
    x = 1,838,673,655,680.87/1,441,984.78
  6. Step 6: Final answer
    x = 1,275,099.21

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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.