Home / 1,424,114.26-1,965,278.30-779,538.13

Finding the Fourth Proportional to 1,424,114.26, 1,965,278.30 and 779,538.13

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Solution

The fourth proportional to 1,424,114.26, 1,965,278.30 and 779,538.13 is: 1,075,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,114.26 : 1,965,278.30 = 779,538.13 : x
  2. Step 2: Convert to fraction form
    1,424,114.26/1,965,278.30 = 779,538.13/x
  3. Step 3: Cross multiply
    1,424,114.26x = 1,965,278.30 × 779,538.13
  4. Step 4: Simplify right side
    1,424,114.26x = 1,532,009,370,911.58
  5. Step 5: Solve for x
    x = 1,532,009,370,911.58/1,424,114.26
  6. Step 6: Final answer
    x = 1,075,762.96

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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.