Home / 1,068,111.72-1,602,429.66-320,157

Finding the Fourth Proportional to 1,068,111.72, 1,602,429.66 and 320,157

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Solution

The fourth proportional to 1,068,111.72, 1,602,429.66 and 320,157 is: 480,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,111.72 : 1,602,429.66 = 320,157 : x
  2. Step 2: Convert to fraction form
    1,068,111.72/1,602,429.66 = 320,157/x
  3. Step 3: Cross multiply
    1,068,111.72x = 1,602,429.66 × 320,157
  4. Step 4: Simplify right side
    1,068,111.72x = 513,029,072,656.62
  5. Step 5: Solve for x
    x = 513,029,072,656.62/1,068,111.72
  6. Step 6: Final answer
    x = 480,314.06

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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.