Home / 1,513,907.88-2,268,291.12-913,607.64

Finding the Fourth Proportional to 1,513,907.88, 2,268,291.12 and 913,607.64

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Solution

The fourth proportional to 1,513,907.88, 2,268,291.12 and 913,607.64 is: 1,368,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,907.88 : 2,268,291.12 = 913,607.64 : x
  2. Step 2: Convert to fraction form
    1,513,907.88/2,268,291.12 = 913,607.64/x
  3. Step 3: Cross multiply
    1,513,907.88x = 2,268,291.12 × 913,607.64
  4. Step 4: Simplify right side
    1,513,907.88x = 2,072,328,096,976.16
  5. Step 5: Solve for x
    x = 2,072,328,096,976.16/1,513,907.88
  6. Step 6: Final answer
    x = 1,368,860.10

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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.