Home / 1,488,220.56-2,053,741.56-809,155.44

Finding the Fourth Proportional to 1,488,220.56, 2,053,741.56 and 809,155.44

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Solution

The fourth proportional to 1,488,220.56, 2,053,741.56 and 809,155.44 is: 1,116,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,220.56 : 2,053,741.56 = 809,155.44 : x
  2. Step 2: Convert to fraction form
    1,488,220.56/2,053,741.56 = 809,155.44/x
  3. Step 3: Cross multiply
    1,488,220.56x = 2,053,741.56 × 809,155.44
  4. Step 4: Simplify right side
    1,488,220.56x = 1,661,796,155,628.09
  5. Step 5: Solve for x
    x = 1,661,796,155,628.09/1,488,220.56
  6. Step 6: Final answer
    x = 1,116,632.98

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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.