Home / 1,425,164.60-1,966,759.04-813,305.18

Finding the Fourth Proportional to 1,425,164.60, 1,966,759.04 and 813,305.18

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Solution

The fourth proportional to 1,425,164.60, 1,966,759.04 and 813,305.18 is: 1,122,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,164.60 : 1,966,759.04 = 813,305.18 : x
  2. Step 2: Convert to fraction form
    1,425,164.60/1,966,759.04 = 813,305.18/x
  3. Step 3: Cross multiply
    1,425,164.60x = 1,966,759.04 × 813,305.18
  4. Step 4: Simplify right side
    1,425,164.60x = 1,599,575,315,043.83
  5. Step 5: Solve for x
    x = 1,599,575,315,043.83/1,425,164.60
  6. Step 6: Final answer
    x = 1,122,379.35

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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.