Home / 1,426,228-1,968,209.70-781,634.04

Finding the Fourth Proportional to 1,426,228, 1,968,209.70 and 781,634.04

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Solution

The fourth proportional to 1,426,228, 1,968,209.70 and 781,634.04 is: 1,078,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,228 : 1,968,209.70 = 781,634.04 : x
  2. Step 2: Convert to fraction form
    1,426,228/1,968,209.70 = 781,634.04/x
  3. Step 3: Cross multiply
    1,426,228x = 1,968,209.70 × 781,634.04
  4. Step 4: Simplify right side
    1,426,228x = 1,538,419,699,378.19
  5. Step 5: Solve for x
    x = 1,538,419,699,378.19/1,426,228
  6. Step 6: Final answer
    x = 1,078,663.23

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1.5x scale

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.