Home / 1,779,335.13-2,668,450.69-641,949.47

Finding the Fourth Proportional to 1,779,335.13, 2,668,450.69 and 641,949.47

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Solution

The fourth proportional to 1,779,335.13, 2,668,450.69 and 641,949.47 is: 962,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,335.13 : 2,668,450.69 = 641,949.47 : x
  2. Step 2: Convert to fraction form
    1,779,335.13/2,668,450.69 = 641,949.47/x
  3. Step 3: Cross multiply
    1,779,335.13x = 2,668,450.69 × 641,949.47
  4. Step 4: Simplify right side
    1,779,335.13x = 1,713,010,513,640.20
  5. Step 5: Solve for x
    x = 1,713,010,513,640.20/1,779,335.13
  6. Step 6: Final answer
    x = 962,725.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.