Home / 1,365,283.92-2,047,955.40-418,633.68

Finding the Fourth Proportional to 1,365,283.92, 2,047,955.40 and 418,633.68

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Solution

The fourth proportional to 1,365,283.92, 2,047,955.40 and 418,633.68 is: 627,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,283.92 : 2,047,955.40 = 418,633.68 : x
  2. Step 2: Convert to fraction form
    1,365,283.92/2,047,955.40 = 418,633.68/x
  3. Step 3: Cross multiply
    1,365,283.92x = 2,047,955.40 × 418,633.68
  4. Step 4: Simplify right side
    1,365,283.92x = 857,343,105,577.87
  5. Step 5: Solve for x
    x = 857,343,105,577.87/1,365,283.92
  6. Step 6: Final answer
    x = 627,959.57

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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.