Home / 1,424,111.51-1,965,274.50-779,535.38

Finding the Fourth Proportional to 1,424,111.51, 1,965,274.50 and 779,535.38

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Solution

The fourth proportional to 1,424,111.51, 1,965,274.50 and 779,535.38 is: 1,075,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,111.51 : 1,965,274.50 = 779,535.38 : x
  2. Step 2: Convert to fraction form
    1,424,111.51/1,965,274.50 = 779,535.38/x
  3. Step 3: Cross multiply
    1,424,111.51x = 1,965,274.50 × 779,535.38
  4. Step 4: Simplify right side
    1,424,111.51x = 1,532,000,994,335.44
  5. Step 5: Solve for x
    x = 1,532,000,994,335.44/1,424,111.51
  6. Step 6: Final answer
    x = 1,075,759.16

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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.