Home / 1,461,722.43-2,017,191.92-817,178.43

Finding the Fourth Proportional to 1,461,722.43, 2,017,191.92 and 817,178.43

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Solution

The fourth proportional to 1,461,722.43, 2,017,191.92 and 817,178.43 is: 1,127,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,722.43 : 2,017,191.92 = 817,178.43 : x
  2. Step 2: Convert to fraction form
    1,461,722.43/2,017,191.92 = 817,178.43/x
  3. Step 3: Cross multiply
    1,461,722.43x = 2,017,191.92 × 817,178.43
  4. Step 4: Simplify right side
    1,461,722.43x = 1,648,405,722,108.39
  5. Step 5: Solve for x
    x = 1,648,405,722,108.39/1,461,722.43
  6. Step 6: Final answer
    x = 1,127,714.60

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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.