Home / 1,308,221.14-1,962,331.74-409,733.20

Finding the Fourth Proportional to 1,308,221.14, 1,962,331.74 and 409,733.20

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Solution

The fourth proportional to 1,308,221.14, 1,962,331.74 and 409,733.20 is: 614,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,221.14 : 1,962,331.74 = 409,733.20 : x
  2. Step 2: Convert to fraction form
    1,308,221.14/1,962,331.74 = 409,733.20/x
  3. Step 3: Cross multiply
    1,308,221.14x = 1,962,331.74 × 409,733.20
  4. Step 4: Simplify right side
    1,308,221.14x = 804,032,463,291.77
  5. Step 5: Solve for x
    x = 804,032,463,291.77/1,308,221.14
  6. Step 6: Final answer
    x = 614,599.81

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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.