Home / 1,513,882.32-2,268,252.90-913,582.05

Finding the Fourth Proportional to 1,513,882.32, 2,268,252.90 and 913,582.05

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Solution

The fourth proportional to 1,513,882.32, 2,268,252.90 and 913,582.05 is: 1,368,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,882.32 : 2,268,252.90 = 913,582.05 : x
  2. Step 2: Convert to fraction form
    1,513,882.32/2,268,252.90 = 913,582.05/x
  3. Step 3: Cross multiply
    1,513,882.32x = 2,268,252.90 × 913,582.05
  4. Step 4: Simplify right side
    1,513,882.32x = 2,072,235,134,300.45
  5. Step 5: Solve for x
    x = 2,072,235,134,300.45/1,513,882.32
  6. Step 6: Final answer
    x = 1,368,821.81

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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.