Home / 1,635,530.70-2,455,920.45-1,105,401.90

Finding the Fourth Proportional to 1,635,530.70, 2,455,920.45 and 1,105,401.90

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Solution

The fourth proportional to 1,635,530.70, 2,455,920.45 and 1,105,401.90 is: 1,659,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,530.70 : 2,455,920.45 = 1,105,401.90 : x
  2. Step 2: Convert to fraction form
    1,635,530.70/2,455,920.45 = 1,105,401.90/x
  3. Step 3: Cross multiply
    1,635,530.70x = 2,455,920.45 × 1,105,401.90
  4. Step 4: Simplify right side
    1,635,530.70x = 2,714,779,131,678.86
  5. Step 5: Solve for x
    x = 2,714,779,131,678.86/1,635,530.70
  6. Step 6: Final answer
    x = 1,659,876.60

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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.