Home / 1,431,467.16-1,975,426.98-786,891.42

Finding the Fourth Proportional to 1,431,467.16, 1,975,426.98 and 786,891.42

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Solution

The fourth proportional to 1,431,467.16, 1,975,426.98 and 786,891.42 is: 1,085,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,467.16 : 1,975,426.98 = 786,891.42 : x
  2. Step 2: Convert to fraction form
    1,431,467.16/1,975,426.98 = 786,891.42/x
  3. Step 3: Cross multiply
    1,431,467.16x = 1,975,426.98 × 786,891.42
  4. Step 4: Simplify right side
    1,431,467.16x = 1,554,446,541,398.51
  5. Step 5: Solve for x
    x = 1,554,446,541,398.51/1,431,467.16
  6. Step 6: Final answer
    x = 1,085,911.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.