Home / 1,426,268.34-1,968,265.71-781,674.66

Finding the Fourth Proportional to 1,426,268.34, 1,968,265.71 and 781,674.66

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Solution

The fourth proportional to 1,426,268.34, 1,968,265.71 and 781,674.66 is: 1,078,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,268.34 : 1,968,265.71 = 781,674.66 : x
  2. Step 2: Convert to fraction form
    1,426,268.34/1,968,265.71 = 781,674.66/x
  3. Step 3: Cross multiply
    1,426,268.34x = 1,968,265.71 × 781,674.66
  4. Step 4: Simplify right side
    1,426,268.34x = 1,538,543,429,653.91
  5. Step 5: Solve for x
    x = 1,538,543,429,653.91/1,426,268.34
  6. Step 6: Final answer
    x = 1,078,719.47

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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.