Home / 1,307,979.49-1,962,006.14-361,350.21

Finding the Fourth Proportional to 1,307,979.49, 1,962,006.14 and 361,350.21

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Solution

The fourth proportional to 1,307,979.49, 1,962,006.14 and 361,350.21 is: 542,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,979.49 : 1,962,006.14 = 361,350.21 : x
  2. Step 2: Convert to fraction form
    1,307,979.49/1,962,006.14 = 361,350.21/x
  3. Step 3: Cross multiply
    1,307,979.49x = 1,962,006.14 × 361,350.21
  4. Step 4: Simplify right side
    1,307,979.49x = 708,971,319,093.51
  5. Step 5: Solve for x
    x = 708,971,319,093.51/1,307,979.49
  6. Step 6: Final answer
    x = 542,035.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.