Home / 1,308,971.92-1,963,239.18-362,438.32

Finding the Fourth Proportional to 1,308,971.92, 1,963,239.18 and 362,438.32

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Solution

The fourth proportional to 1,308,971.92, 1,963,239.18 and 362,438.32 is: 543,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,971.92 : 1,963,239.18 = 362,438.32 : x
  2. Step 2: Convert to fraction form
    1,308,971.92/1,963,239.18 = 362,438.32/x
  3. Step 3: Cross multiply
    1,308,971.92x = 1,963,239.18 × 362,438.32
  4. Step 4: Simplify right side
    1,308,971.92x = 711,553,110,157.38
  5. Step 5: Solve for x
    x = 711,553,110,157.38/1,308,971.92
  6. Step 6: Final answer
    x = 543,596.92

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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.