Home / 1,404,687.49-1,938,473.88-760,107.72

Finding the Fourth Proportional to 1,404,687.49, 1,938,473.88 and 760,107.72

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Solution

The fourth proportional to 1,404,687.49, 1,938,473.88 and 760,107.72 is: 1,048,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,687.49 : 1,938,473.88 = 760,107.72 : x
  2. Step 2: Convert to fraction form
    1,404,687.49/1,938,473.88 = 760,107.72/x
  3. Step 3: Cross multiply
    1,404,687.49x = 1,938,473.88 × 760,107.72
  4. Step 4: Simplify right side
    1,404,687.49x = 1,473,448,961,206.35
  5. Step 5: Solve for x
    x = 1,473,448,961,206.35/1,404,687.49
  6. Step 6: Final answer
    x = 1,048,951.44

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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.