Home / 1,404,860.28-1,938,713.36-760,280.57

Finding the Fourth Proportional to 1,404,860.28, 1,938,713.36 and 760,280.57

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Solution

The fourth proportional to 1,404,860.28, 1,938,713.36 and 760,280.57 is: 1,049,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,860.28 : 1,938,713.36 = 760,280.57 : x
  2. Step 2: Convert to fraction form
    1,404,860.28/1,938,713.36 = 760,280.57/x
  3. Step 3: Cross multiply
    1,404,860.28x = 1,938,713.36 × 760,280.57
  4. Step 4: Simplify right side
    1,404,860.28x = 1,473,966,098,407.42
  5. Step 5: Solve for x
    x = 1,473,966,098,407.42/1,404,860.28
  6. Step 6: Final answer
    x = 1,049,190.53

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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.