Home / 1,333,510.48-1,840,230.12-721,649.71

Finding the Fourth Proportional to 1,333,510.48, 1,840,230.12 and 721,649.71

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Solution

The fourth proportional to 1,333,510.48, 1,840,230.12 and 721,649.71 is: 995,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,510.48 : 1,840,230.12 = 721,649.71 : x
  2. Step 2: Convert to fraction form
    1,333,510.48/1,840,230.12 = 721,649.71/x
  3. Step 3: Cross multiply
    1,333,510.48x = 1,840,230.12 × 721,649.71
  4. Step 4: Simplify right side
    1,333,510.48x = 1,328,001,532,431.27
  5. Step 5: Solve for x
    x = 1,328,001,532,431.27/1,333,510.48
  6. Step 6: Final answer
    x = 995,868.84

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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.