Home / 1,333,403.67-1,840,101.90-721,556.40

Finding the Fourth Proportional to 1,333,403.67, 1,840,101.90 and 721,556.40

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Solution

The fourth proportional to 1,333,403.67, 1,840,101.90 and 721,556.40 is: 995,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,403.67 : 1,840,101.90 = 721,556.40 : x
  2. Step 2: Convert to fraction form
    1,333,403.67/1,840,101.90 = 721,556.40/x
  3. Step 3: Cross multiply
    1,333,403.67x = 1,840,101.90 × 721,556.40
  4. Step 4: Simplify right side
    1,333,403.67x = 1,327,737,302,597.16
  5. Step 5: Solve for x
    x = 1,327,737,302,597.16/1,333,403.67
  6. Step 6: Final answer
    x = 995,750.45

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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.