Home / 1,404,809.16-1,938,641.54-760,229.21

Finding the Fourth Proportional to 1,404,809.16, 1,938,641.54 and 760,229.21

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Solution

The fourth proportional to 1,404,809.16, 1,938,641.54 and 760,229.21 is: 1,049,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,809.16 : 1,938,641.54 = 760,229.21 : x
  2. Step 2: Convert to fraction form
    1,404,809.16/1,938,641.54 = 760,229.21/x
  3. Step 3: Cross multiply
    1,404,809.16x = 1,938,641.54 × 760,229.21
  4. Step 4: Simplify right side
    1,404,809.16x = 1,473,811,912,933.03
  5. Step 5: Solve for x
    x = 1,473,811,912,933.03/1,404,809.16
  6. Step 6: Final answer
    x = 1,049,118.95

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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.