Home / 1,426,296.70-1,968,200.22-781,671.16

Finding the Fourth Proportional to 1,426,296.70, 1,968,200.22 and 781,671.16

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Solution

The fourth proportional to 1,426,296.70, 1,968,200.22 and 781,671.16 is: 1,078,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,296.70 : 1,968,200.22 = 781,671.16 : x
  2. Step 2: Convert to fraction form
    1,426,296.70/1,968,200.22 = 781,671.16/x
  3. Step 3: Cross multiply
    1,426,296.70x = 1,968,200.22 × 781,671.16
  4. Step 4: Simplify right side
    1,426,296.70x = 1,538,485,350,074.27
  5. Step 5: Solve for x
    x = 1,538,485,350,074.27/1,426,296.70
  6. Step 6: Final answer
    x = 1,078,657.30

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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.