Home / 1,333,509.48-1,840,228.74-721,648.71

Finding the Fourth Proportional to 1,333,509.48, 1,840,228.74 and 721,648.71

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Solution

The fourth proportional to 1,333,509.48, 1,840,228.74 and 721,648.71 is: 995,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,509.48 : 1,840,228.74 = 721,648.71 : x
  2. Step 2: Convert to fraction form
    1,333,509.48/1,840,228.74 = 721,648.71/x
  3. Step 3: Cross multiply
    1,333,509.48x = 1,840,228.74 × 721,648.71
  4. Step 4: Simplify right side
    1,333,509.48x = 1,327,998,696,325.93
  5. Step 5: Solve for x
    x = 1,327,998,696,325.93/1,333,509.48
  6. Step 6: Final answer
    x = 995,867.46

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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.