Home / 1,126,483.10-1,689,724.65-825,333.20

Finding the Fourth Proportional to 1,126,483.10, 1,689,724.65 and 825,333.20

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Solution

The fourth proportional to 1,126,483.10, 1,689,724.65 and 825,333.20 is: 1,237,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,483.10 : 1,689,724.65 = 825,333.20 : x
  2. Step 2: Convert to fraction form
    1,126,483.10/1,689,724.65 = 825,333.20/x
  3. Step 3: Cross multiply
    1,126,483.10x = 1,689,724.65 × 825,333.20
  4. Step 4: Simplify right side
    1,126,483.10x = 1,394,585,852,503.38
  5. Step 5: Solve for x
    x = 1,394,585,852,503.38/1,126,483.10
  6. Step 6: Final answer
    x = 1,237,999.80

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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.