Home / 1,513,396.12-2,270,426.34-448,521.64

Finding the Fourth Proportional to 1,513,396.12, 2,270,426.34 and 448,521.64

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Solution

The fourth proportional to 1,513,396.12, 2,270,426.34 and 448,521.64 is: 672,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,396.12 : 2,270,426.34 = 448,521.64 : x
  2. Step 2: Convert to fraction form
    1,513,396.12/2,270,426.34 = 448,521.64/x
  3. Step 3: Cross multiply
    1,513,396.12x = 2,270,426.34 × 448,521.64
  4. Step 4: Simplify right side
    1,513,396.12x = 1,018,335,345,516.00
  5. Step 5: Solve for x
    x = 1,018,335,345,516.00/1,513,396.12
  6. Step 6: Final answer
    x = 672,880.90

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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.