Home / 1,426,273.34-1,968,272.61-781,679.66

Finding the Fourth Proportional to 1,426,273.34, 1,968,272.61 and 781,679.66

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Solution

The fourth proportional to 1,426,273.34, 1,968,272.61 and 781,679.66 is: 1,078,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,273.34 : 1,968,272.61 = 781,679.66 : x
  2. Step 2: Convert to fraction form
    1,426,273.34/1,968,272.61 = 781,679.66/x
  3. Step 3: Cross multiply
    1,426,273.34x = 1,968,272.61 × 781,679.66
  4. Step 4: Simplify right side
    1,426,273.34x = 1,538,558,664,572.11
  5. Step 5: Solve for x
    x = 1,538,558,664,572.11/1,426,273.34
  6. Step 6: Final answer
    x = 1,078,726.37

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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.