Home / 1,722,705.20-2,377,309.48-958,758.64

Finding the Fourth Proportional to 1,722,705.20, 2,377,309.48 and 958,758.64

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Solution

The fourth proportional to 1,722,705.20, 2,377,309.48 and 958,758.64 is: 1,323,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,705.20 : 2,377,309.48 = 958,758.64 : x
  2. Step 2: Convert to fraction form
    1,722,705.20/2,377,309.48 = 958,758.64/x
  3. Step 3: Cross multiply
    1,722,705.20x = 2,377,309.48 × 958,758.64
  4. Step 4: Simplify right side
    1,722,705.20x = 2,279,266,003,903.91
  5. Step 5: Solve for x
    x = 2,279,266,003,903.91/1,722,705.20
  6. Step 6: Final answer
    x = 1,323,073.74

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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.