Home / 1,520,684.70-2,098,311.12-875,979

Finding the Fourth Proportional to 1,520,684.70, 2,098,311.12 and 875,979

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Solution

The fourth proportional to 1,520,684.70, 2,098,311.12 and 875,979 is: 1,208,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,684.70 : 2,098,311.12 = 875,979 : x
  2. Step 2: Convert to fraction form
    1,520,684.70/2,098,311.12 = 875,979/x
  3. Step 3: Cross multiply
    1,520,684.70x = 2,098,311.12 × 875,979
  4. Step 4: Simplify right side
    1,520,684.70x = 1,838,076,476,586.48
  5. Step 5: Solve for x
    x = 1,838,076,476,586.48/1,520,684.70
  6. Step 6: Final answer
    x = 1,208,716.36

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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.