Home / 1,580,450.77-2,181,025.93-855,303.76

Finding the Fourth Proportional to 1,580,450.77, 2,181,025.93 and 855,303.76

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Solution

The fourth proportional to 1,580,450.77, 2,181,025.93 and 855,303.76 is: 1,180,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,450.77 : 2,181,025.93 = 855,303.76 : x
  2. Step 2: Convert to fraction form
    1,580,450.77/2,181,025.93 = 855,303.76/x
  3. Step 3: Cross multiply
    1,580,450.77x = 2,181,025.93 × 855,303.76
  4. Step 4: Simplify right side
    1,580,450.77x = 1,865,439,668,509.94
  5. Step 5: Solve for x
    x = 1,865,439,668,509.94/1,580,450.77
  6. Step 6: Final answer
    x = 1,180,321.27

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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.