Home / 1,580,450.46-2,181,025.51-855,303.45

Finding the Fourth Proportional to 1,580,450.46, 2,181,025.51 and 855,303.45

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Solution

The fourth proportional to 1,580,450.46, 2,181,025.51 and 855,303.45 is: 1,180,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,450.46 : 2,181,025.51 = 855,303.45 : x
  2. Step 2: Convert to fraction form
    1,580,450.46/2,181,025.51 = 855,303.45/x
  3. Step 3: Cross multiply
    1,580,450.46x = 2,181,025.51 × 855,303.45
  4. Step 4: Simplify right side
    1,580,450.46x = 1,865,438,638,964.49
  5. Step 5: Solve for x
    x = 1,865,438,638,964.49/1,580,450.46
  6. Step 6: Final answer
    x = 1,180,320.86

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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.