Home / 1,004,106.28-1,385,320.30-641,742.25

Finding the Fourth Proportional to 1,004,106.28, 1,385,320.30 and 641,742.25

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Solution

The fourth proportional to 1,004,106.28, 1,385,320.30 and 641,742.25 is: 885,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,106.28 : 1,385,320.30 = 641,742.25 : x
  2. Step 2: Convert to fraction form
    1,004,106.28/1,385,320.30 = 641,742.25/x
  3. Step 3: Cross multiply
    1,004,106.28x = 1,385,320.30 × 641,742.25
  4. Step 4: Simplify right side
    1,004,106.28x = 889,018,566,292.68
  5. Step 5: Solve for x
    x = 889,018,566,292.68/1,004,106.28
  6. Step 6: Final answer
    x = 885,382.94

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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.