Home / 1,352,433.13-1,866,357.72-779,510.21

Finding the Fourth Proportional to 1,352,433.13, 1,866,357.72 and 779,510.21

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Solution

The fourth proportional to 1,352,433.13, 1,866,357.72 and 779,510.21 is: 1,075,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,433.13 : 1,866,357.72 = 779,510.21 : x
  2. Step 2: Convert to fraction form
    1,352,433.13/1,866,357.72 = 779,510.21/x
  3. Step 3: Cross multiply
    1,352,433.13x = 1,866,357.72 × 779,510.21
  4. Step 4: Simplify right side
    1,352,433.13x = 1,454,844,888,920.53
  5. Step 5: Solve for x
    x = 1,454,844,888,920.53/1,352,433.13
  6. Step 6: Final answer
    x = 1,075,724.09

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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.