Home / 1,105,734.78-1,525,532.13-670,291.74

Finding the Fourth Proportional to 1,105,734.78, 1,525,532.13 and 670,291.74

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Solution

The fourth proportional to 1,105,734.78, 1,525,532.13 and 670,291.74 is: 924,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,734.78 : 1,525,532.13 = 670,291.74 : x
  2. Step 2: Convert to fraction form
    1,105,734.78/1,525,532.13 = 670,291.74/x
  3. Step 3: Cross multiply
    1,105,734.78x = 1,525,532.13 × 670,291.74
  4. Step 4: Simplify right side
    1,105,734.78x = 1,022,551,585,843.61
  5. Step 5: Solve for x
    x = 1,022,551,585,843.61/1,105,734.78
  6. Step 6: Final answer
    x = 924,771.12

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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.