Home / 1,421,333.09-2,131,766.04-510,326.97

Finding the Fourth Proportional to 1,421,333.09, 2,131,766.04 and 510,326.97

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Solution

The fourth proportional to 1,421,333.09, 2,131,766.04 and 510,326.97 is: 765,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,333.09 : 2,131,766.04 = 510,326.97 : x
  2. Step 2: Convert to fraction form
    1,421,333.09/2,131,766.04 = 510,326.97/x
  3. Step 3: Cross multiply
    1,421,333.09x = 2,131,766.04 × 510,326.97
  4. Step 4: Simplify right side
    1,421,333.09x = 1,087,897,703,942.10
  5. Step 5: Solve for x
    x = 1,087,897,703,942.10/1,421,333.09
  6. Step 6: Final answer
    x = 765,406.59

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1.5x scale

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.