Home / 1,314,360.78-1,813,873.02-741,400.80

Finding the Fourth Proportional to 1,314,360.78, 1,813,873.02 and 741,400.80

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Solution

The fourth proportional to 1,314,360.78, 1,813,873.02 and 741,400.80 is: 1,023,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,360.78 : 1,813,873.02 = 741,400.80 : x
  2. Step 2: Convert to fraction form
    1,314,360.78/1,813,873.02 = 741,400.80/x
  3. Step 3: Cross multiply
    1,314,360.78x = 1,813,873.02 × 741,400.80
  4. Step 4: Simplify right side
    1,314,360.78x = 1,344,806,908,126.42
  5. Step 5: Solve for x
    x = 1,344,806,908,126.42/1,314,360.78
  6. Step 6: Final answer
    x = 1,023,164.21

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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.