Home / 1,314,362.78-1,813,875.78-741,402.80

Finding the Fourth Proportional to 1,314,362.78, 1,813,875.78 and 741,402.80

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Solution

The fourth proportional to 1,314,362.78, 1,813,875.78 and 741,402.80 is: 1,023,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,362.78 : 1,813,875.78 = 741,402.80 : x
  2. Step 2: Convert to fraction form
    1,314,362.78/1,813,875.78 = 741,402.80/x
  3. Step 3: Cross multiply
    1,314,362.78x = 1,813,875.78 × 741,402.80
  4. Step 4: Simplify right side
    1,314,362.78x = 1,344,812,582,144.18
  5. Step 5: Solve for x
    x = 1,344,812,582,144.18/1,314,362.78
  6. Step 6: Final answer
    x = 1,023,166.97

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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.