Home / 1,105,291.97-1,657,483.16-422,431.04

Finding the Fourth Proportional to 1,105,291.97, 1,657,483.16 and 422,431.04

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Solution

The fourth proportional to 1,105,291.97, 1,657,483.16 and 422,431.04 is: 633,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,291.97 : 1,657,483.16 = 422,431.04 : x
  2. Step 2: Convert to fraction form
    1,105,291.97/1,657,483.16 = 422,431.04/x
  3. Step 3: Cross multiply
    1,105,291.97x = 1,657,483.16 × 422,431.04
  4. Step 4: Simplify right side
    1,105,291.97x = 700,172,340,261.07
  5. Step 5: Solve for x
    x = 700,172,340,261.07/1,105,291.97
  6. Step 6: Final answer
    x = 633,472.75

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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.