Home / 1,426,159.94-1,968,122.49-781,574.90

Finding the Fourth Proportional to 1,426,159.94, 1,968,122.49 and 781,574.90

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Solution

The fourth proportional to 1,426,159.94, 1,968,122.49 and 781,574.90 is: 1,078,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,159.94 : 1,968,122.49 = 781,574.90 : x
  2. Step 2: Convert to fraction form
    1,426,159.94/1,968,122.49 = 781,574.90/x
  3. Step 3: Cross multiply
    1,426,159.94x = 1,968,122.49 × 781,574.90
  4. Step 4: Simplify right side
    1,426,159.94x = 1,538,235,138,309.50
  5. Step 5: Solve for x
    x = 1,538,235,138,309.50/1,426,159.94
  6. Step 6: Final answer
    x = 1,078,585.29

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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.