Home / 1,404,982.32-1,938,858.84-760,387.20

Finding the Fourth Proportional to 1,404,982.32, 1,938,858.84 and 760,387.20

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Solution

The fourth proportional to 1,404,982.32, 1,938,858.84 and 760,387.20 is: 1,049,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,982.32 : 1,938,858.84 = 760,387.20 : x
  2. Step 2: Convert to fraction form
    1,404,982.32/1,938,858.84 = 760,387.20/x
  3. Step 3: Cross multiply
    1,404,982.32x = 1,938,858.84 × 760,387.20
  4. Step 4: Simplify right side
    1,404,982.32x = 1,474,283,444,542.85
  5. Step 5: Solve for x
    x = 1,474,283,444,542.85/1,404,982.32
  6. Step 6: Final answer
    x = 1,049,325.26

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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.