Home / 1,404,767.28-1,938,578.85-760,187.48

Finding the Fourth Proportional to 1,404,767.28, 1,938,578.85 and 760,187.48

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Solution

The fourth proportional to 1,404,767.28, 1,938,578.85 and 760,187.48 is: 1,049,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,767.28 : 1,938,578.85 = 760,187.48 : x
  2. Step 2: Convert to fraction form
    1,404,767.28/1,938,578.85 = 760,187.48/x
  3. Step 3: Cross multiply
    1,404,767.28x = 1,938,578.85 × 760,187.48
  4. Step 4: Simplify right side
    1,404,767.28x = 1,473,683,357,268.97
  5. Step 5: Solve for x
    x = 1,473,683,357,268.97/1,404,767.28
  6. Step 6: Final answer
    x = 1,049,058.72

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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.