Home / 1,365,293.92-2,047,970.40-418,643.68

Finding the Fourth Proportional to 1,365,293.92, 2,047,970.40 and 418,643.68

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Solution

The fourth proportional to 1,365,293.92, 2,047,970.40 and 418,643.68 is: 627,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,293.92 : 2,047,970.40 = 418,643.68 : x
  2. Step 2: Convert to fraction form
    1,365,293.92/2,047,970.40 = 418,643.68/x
  3. Step 3: Cross multiply
    1,365,293.92x = 2,047,970.40 × 418,643.68
  4. Step 4: Simplify right side
    1,365,293.92x = 857,369,864,787.07
  5. Step 5: Solve for x
    x = 857,369,864,787.07/1,365,293.92
  6. Step 6: Final answer
    x = 627,974.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.