Home / 1,661,108.90-2,491,663.35-903,313.40

Finding the Fourth Proportional to 1,661,108.90, 2,491,663.35 and 903,313.40

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Solution

The fourth proportional to 1,661,108.90, 2,491,663.35 and 903,313.40 is: 1,354,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,108.90 : 2,491,663.35 = 903,313.40 : x
  2. Step 2: Convert to fraction form
    1,661,108.90/2,491,663.35 = 903,313.40/x
  3. Step 3: Cross multiply
    1,661,108.90x = 2,491,663.35 × 903,313.40
  4. Step 4: Simplify right side
    1,661,108.90x = 2,250,752,892,343.89
  5. Step 5: Solve for x
    x = 2,250,752,892,343.89/1,661,108.90
  6. Step 6: Final answer
    x = 1,354,970.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.