Home / 1,558,624.36-2,335,869.69-800,435.20

Finding the Fourth Proportional to 1,558,624.36, 2,335,869.69 and 800,435.20

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Solution

The fourth proportional to 1,558,624.36, 2,335,869.69 and 800,435.20 is: 1,199,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,624.36 : 2,335,869.69 = 800,435.20 : x
  2. Step 2: Convert to fraction form
    1,558,624.36/2,335,869.69 = 800,435.20/x
  3. Step 3: Cross multiply
    1,558,624.36x = 2,335,869.69 × 800,435.20
  4. Step 4: Simplify right side
    1,558,624.36x = 1,869,712,322,489.09
  5. Step 5: Solve for x
    x = 1,869,712,322,489.09/1,558,624.36
  6. Step 6: Final answer
    x = 1,199,591.36

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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.