Home / 1,068,721.32-1,603,187.26-310,569.42

Finding the Fourth Proportional to 1,068,721.32, 1,603,187.26 and 310,569.42

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Solution

The fourth proportional to 1,068,721.32, 1,603,187.26 and 310,569.42 is: 465,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,721.32 : 1,603,187.26 = 310,569.42 : x
  2. Step 2: Convert to fraction form
    1,068,721.32/1,603,187.26 = 310,569.42/x
  3. Step 3: Cross multiply
    1,068,721.32x = 1,603,187.26 × 310,569.42
  4. Step 4: Simplify right side
    1,068,721.32x = 497,900,937,489.59
  5. Step 5: Solve for x
    x = 497,900,937,489.59/1,068,721.32
  6. Step 6: Final answer
    x = 465,884.72

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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.