Home / 1,424,112.26-1,965,275.54-779,536.13

Finding the Fourth Proportional to 1,424,112.26, 1,965,275.54 and 779,536.13

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Solution

The fourth proportional to 1,424,112.26, 1,965,275.54 and 779,536.13 is: 1,075,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,112.26 : 1,965,275.54 = 779,536.13 : x
  2. Step 2: Convert to fraction form
    1,424,112.26/1,965,275.54 = 779,536.13/x
  3. Step 3: Cross multiply
    1,424,112.26x = 1,965,275.54 × 779,536.13
  4. Step 4: Simplify right side
    1,424,112.26x = 1,532,003,275,111.20
  5. Step 5: Solve for x
    x = 1,532,003,275,111.20/1,424,112.26
  6. Step 6: Final answer
    x = 1,075,760.19

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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.