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Finding the Fourth Proportional to 1,404,848.50, 1,938,694.38 and 760,273.40

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Solution

The fourth proportional to 1,404,848.50, 1,938,694.38 and 760,273.40 is: 1,049,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,848.50 : 1,938,694.38 = 760,273.40 : x
  2. Step 2: Convert to fraction form
    1,404,848.50/1,938,694.38 = 760,273.40/x
  3. Step 3: Cross multiply
    1,404,848.50x = 1,938,694.38 × 760,273.40
  4. Step 4: Simplify right side
    1,404,848.50x = 1,473,937,767,843.49
  5. Step 5: Solve for x
    x = 1,473,937,767,843.49/1,404,848.50
  6. Step 6: Final answer
    x = 1,049,179.16

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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.