Home / 1,342,363.86-2,012,942.91-395,402.58

Finding the Fourth Proportional to 1,342,363.86, 2,012,942.91 and 395,402.58

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Solution

The fourth proportional to 1,342,363.86, 2,012,942.91 and 395,402.58 is: 592,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,363.86 : 2,012,942.91 = 395,402.58 : x
  2. Step 2: Convert to fraction form
    1,342,363.86/2,012,942.91 = 395,402.58/x
  3. Step 3: Cross multiply
    1,342,363.86x = 2,012,942.91 × 395,402.58
  4. Step 4: Simplify right side
    1,342,363.86x = 795,922,820,006.71
  5. Step 5: Solve for x
    x = 795,922,820,006.71/1,342,363.86
  6. Step 6: Final answer
    x = 592,926.29

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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.