Home / 1,308,961.92-1,963,224.18-362,428.32

Finding the Fourth Proportional to 1,308,961.92, 1,963,224.18 and 362,428.32

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Solution

The fourth proportional to 1,308,961.92, 1,963,224.18 and 362,428.32 is: 543,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,961.92 : 1,963,224.18 = 362,428.32 : x
  2. Step 2: Convert to fraction form
    1,308,961.92/1,963,224.18 = 362,428.32/x
  3. Step 3: Cross multiply
    1,308,961.92x = 1,963,224.18 × 362,428.32
  4. Step 4: Simplify right side
    1,308,961.92x = 711,528,041,340.78
  5. Step 5: Solve for x
    x = 711,528,041,340.78/1,308,961.92
  6. Step 6: Final answer
    x = 543,581.93

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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.