Home / 1,580,384.22-2,180,930.23-855,231.89

Finding the Fourth Proportional to 1,580,384.22, 2,180,930.23 and 855,231.89

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Solution

The fourth proportional to 1,580,384.22, 2,180,930.23 and 855,231.89 is: 1,180,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,384.22 : 2,180,930.23 = 855,231.89 : x
  2. Step 2: Convert to fraction form
    1,580,384.22/2,180,930.23 = 855,231.89/x
  3. Step 3: Cross multiply
    1,580,384.22x = 2,180,930.23 × 855,231.89
  4. Step 4: Simplify right side
    1,580,384.22x = 1,865,201,072,725.42
  5. Step 5: Solve for x
    x = 1,865,201,072,725.42/1,580,384.22
  6. Step 6: Final answer
    x = 1,180,220.01

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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.