Home / 1,333,457.02-1,840,170.62-721,609.80

Finding the Fourth Proportional to 1,333,457.02, 1,840,170.62 and 721,609.80

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Solution

The fourth proportional to 1,333,457.02, 1,840,170.62 and 721,609.80 is: 995,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,457.02 : 1,840,170.62 = 721,609.80 : x
  2. Step 2: Convert to fraction form
    1,333,457.02/1,840,170.62 = 721,609.80/x
  3. Step 3: Cross multiply
    1,333,457.02x = 1,840,170.62 × 721,609.80
  4. Step 4: Simplify right side
    1,333,457.02x = 1,327,885,142,059.20
  5. Step 5: Solve for x
    x = 1,327,885,142,059.20/1,333,457.02
  6. Step 6: Final answer
    x = 995,821.48

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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.