Home / 1,803,705.30-2,489,024.46-987,912.58

Finding the Fourth Proportional to 1,803,705.30, 2,489,024.46 and 987,912.58

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Solution

The fourth proportional to 1,803,705.30, 2,489,024.46 and 987,912.58 is: 1,363,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,705.30 : 2,489,024.46 = 987,912.58 : x
  2. Step 2: Convert to fraction form
    1,803,705.30/2,489,024.46 = 987,912.58/x
  3. Step 3: Cross multiply
    1,803,705.30x = 2,489,024.46 × 987,912.58
  4. Step 4: Simplify right side
    1,803,705.30x = 2,458,938,575,961.71
  5. Step 5: Solve for x
    x = 2,458,938,575,961.71/1,803,705.30
  6. Step 6: Final answer
    x = 1,363,270.69

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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.