Home / 1,333,412.02-1,840,113.44-721,564.72

Finding the Fourth Proportional to 1,333,412.02, 1,840,113.44 and 721,564.72

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Solution

The fourth proportional to 1,333,412.02, 1,840,113.44 and 721,564.72 is: 995,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,412.02 : 1,840,113.44 = 721,564.72 : x
  2. Step 2: Convert to fraction form
    1,333,412.02/1,840,113.44 = 721,564.72/x
  3. Step 3: Cross multiply
    1,333,412.02x = 1,840,113.44 × 721,564.72
  4. Step 4: Simplify right side
    1,333,412.02x = 1,327,760,939,101.84
  5. Step 5: Solve for x
    x = 1,327,760,939,101.84/1,333,412.02
  6. Step 6: Final answer
    x = 995,761.94

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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.