Home / 1,459,998.20-2,014,598.45-815,336.21

Finding the Fourth Proportional to 1,459,998.20, 2,014,598.45 and 815,336.21

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Solution

The fourth proportional to 1,459,998.20, 2,014,598.45 and 815,336.21 is: 1,125,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,998.20 : 2,014,598.45 = 815,336.21 : x
  2. Step 2: Convert to fraction form
    1,459,998.20/2,014,598.45 = 815,336.21/x
  3. Step 3: Cross multiply
    1,459,998.20x = 2,014,598.45 × 815,336.21
  4. Step 4: Simplify right side
    1,459,998.20x = 1,642,575,056,860.22
  5. Step 5: Solve for x
    x = 1,642,575,056,860.22/1,459,998.20
  6. Step 6: Final answer
    x = 1,125,052.80

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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.