Home / 1,628,011.25-2,442,027.80-490,776.71

Finding the Fourth Proportional to 1,628,011.25, 2,442,027.80 and 490,776.71

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Solution

The fourth proportional to 1,628,011.25, 2,442,027.80 and 490,776.71 is: 736,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,011.25 : 2,442,027.80 = 490,776.71 : x
  2. Step 2: Convert to fraction form
    1,628,011.25/2,442,027.80 = 490,776.71/x
  3. Step 3: Cross multiply
    1,628,011.25x = 2,442,027.80 × 490,776.71
  4. Step 4: Simplify right side
    1,628,011.25x = 1,198,490,376,744.55
  5. Step 5: Solve for x
    x = 1,198,490,376,744.55/1,628,011.25
  6. Step 6: Final answer
    x = 736,168.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.