Home / 1,424,191.09-1,965,389-779,671.25

Finding the Fourth Proportional to 1,424,191.09, 1,965,389 and 779,671.25

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Solution

The fourth proportional to 1,424,191.09, 1,965,389 and 779,671.25 is: 1,075,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,191.09 : 1,965,389 = 779,671.25 : x
  2. Step 2: Convert to fraction form
    1,424,191.09/1,965,389 = 779,671.25/x
  3. Step 3: Cross multiply
    1,424,191.09x = 1,965,389 × 779,671.25
  4. Step 4: Simplify right side
    1,424,191.09x = 1,532,357,298,366.25
  5. Step 5: Solve for x
    x = 1,532,357,298,366.25/1,424,191.09
  6. Step 6: Final answer
    x = 1,075,949.22

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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.