Home / 1,580,275.92-2,180,765.54-855,107.76

Finding the Fourth Proportional to 1,580,275.92, 2,180,765.54 and 855,107.76

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Solution

The fourth proportional to 1,580,275.92, 2,180,765.54 and 855,107.76 is: 1,180,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,275.92 : 2,180,765.54 = 855,107.76 : x
  2. Step 2: Convert to fraction form
    1,580,275.92/2,180,765.54 = 855,107.76/x
  3. Step 3: Cross multiply
    1,580,275.92x = 2,180,765.54 × 855,107.76
  4. Step 4: Simplify right side
    1,580,275.92x = 1,864,789,535,994.59
  5. Step 5: Solve for x
    x = 1,864,789,535,994.59/1,580,275.92
  6. Step 6: Final answer
    x = 1,180,040.47

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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.