Home / 1,580,333.90-2,180,866.52-855,181.53

Finding the Fourth Proportional to 1,580,333.90, 2,180,866.52 and 855,181.53

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Solution

The fourth proportional to 1,580,333.90, 2,180,866.52 and 855,181.53 is: 1,180,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,333.90 : 2,180,866.52 = 855,181.53 : x
  2. Step 2: Convert to fraction form
    1,580,333.90/2,180,866.52 = 855,181.53/x
  3. Step 3: Cross multiply
    1,580,333.90x = 2,180,866.52 × 855,181.53
  4. Step 4: Simplify right side
    1,580,333.90x = 1,865,036,767,299.38
  5. Step 5: Solve for x
    x = 1,865,036,767,299.38/1,580,333.90
  6. Step 6: Final answer
    x = 1,180,153.62

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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.