Home / 1,859,613.69-2,789,052.99-511,428.22

Finding the Fourth Proportional to 1,859,613.69, 2,789,052.99 and 511,428.22

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Solution

The fourth proportional to 1,859,613.69, 2,789,052.99 and 511,428.22 is: 767,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,613.69 : 2,789,052.99 = 511,428.22 : x
  2. Step 2: Convert to fraction form
    1,859,613.69/2,789,052.99 = 511,428.22/x
  3. Step 3: Cross multiply
    1,859,613.69x = 2,789,052.99 × 511,428.22
  4. Step 4: Simplify right side
    1,859,613.69x = 1,426,400,406,161.38
  5. Step 5: Solve for x
    x = 1,426,400,406,161.38/1,859,613.69
  6. Step 6: Final answer
    x = 767,041.25

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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.