Home / 1,808,649.70-2,495,872.01-1,023,698.78

Finding the Fourth Proportional to 1,808,649.70, 2,495,872.01 and 1,023,698.78

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Solution

The fourth proportional to 1,808,649.70, 2,495,872.01 and 1,023,698.78 is: 1,412,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,649.70 : 2,495,872.01 = 1,023,698.78 : x
  2. Step 2: Convert to fraction form
    1,808,649.70/2,495,872.01 = 1,023,698.78/x
  3. Step 3: Cross multiply
    1,808,649.70x = 2,495,872.01 × 1,023,698.78
  4. Step 4: Simplify right side
    1,808,649.70x = 2,555,021,131,673.15
  5. Step 5: Solve for x
    x = 2,555,021,131,673.15/1,808,649.70
  6. Step 6: Final answer
    x = 1,412,667.77

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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.