Home / 1,112,488.46-1,668,648.80-354,299.30

Finding the Fourth Proportional to 1,112,488.46, 1,668,648.80 and 354,299.30

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Solution

The fourth proportional to 1,112,488.46, 1,668,648.80 and 354,299.30 is: 531,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,488.46 : 1,668,648.80 = 354,299.30 : x
  2. Step 2: Convert to fraction form
    1,112,488.46/1,668,648.80 = 354,299.30/x
  3. Step 3: Cross multiply
    1,112,488.46x = 1,668,648.80 × 354,299.30
  4. Step 4: Simplify right side
    1,112,488.46x = 591,201,101,785.84
  5. Step 5: Solve for x
    x = 591,201,101,785.84/1,112,488.46
  6. Step 6: Final answer
    x = 531,422.23

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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.