Home / 1,352,604.30-1,866,140.76-779,632.17

Finding the Fourth Proportional to 1,352,604.30, 1,866,140.76 and 779,632.17

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Solution

The fourth proportional to 1,352,604.30, 1,866,140.76 and 779,632.17 is: 1,075,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,604.30 : 1,866,140.76 = 779,632.17 : x
  2. Step 2: Convert to fraction form
    1,352,604.30/1,866,140.76 = 779,632.17/x
  3. Step 3: Cross multiply
    1,352,604.30x = 1,866,140.76 × 779,632.17
  4. Step 4: Simplify right side
    1,352,604.30x = 1,454,903,370,244.25
  5. Step 5: Solve for x
    x = 1,454,903,370,244.25/1,352,604.30
  6. Step 6: Final answer
    x = 1,075,631.19

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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.