Home / 1,513,915.28-2,268,302.31-913,615.23

Finding the Fourth Proportional to 1,513,915.28, 2,268,302.31 and 913,615.23

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Solution

The fourth proportional to 1,513,915.28, 2,268,302.31 and 913,615.23 is: 1,368,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,915.28 : 2,268,302.31 = 913,615.23 : x
  2. Step 2: Convert to fraction form
    1,513,915.28/2,268,302.31 = 913,615.23/x
  3. Step 3: Cross multiply
    1,513,915.28x = 2,268,302.31 × 913,615.23
  4. Step 4: Simplify right side
    1,513,915.28x = 2,072,355,536,660.18
  5. Step 5: Solve for x
    x = 2,072,355,536,660.18/1,513,915.28
  6. Step 6: Final answer
    x = 1,368,871.54

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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.