Home / 1,204,634.87-1,662,366.16-688,356

Finding the Fourth Proportional to 1,204,634.87, 1,662,366.16 and 688,356

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Solution

The fourth proportional to 1,204,634.87, 1,662,366.16 and 688,356 is: 949,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,634.87 : 1,662,366.16 = 688,356 : x
  2. Step 2: Convert to fraction form
    1,204,634.87/1,662,366.16 = 688,356/x
  3. Step 3: Cross multiply
    1,204,634.87x = 1,662,366.16 × 688,356
  4. Step 4: Simplify right side
    1,204,634.87x = 1,144,299,720,432.96
  5. Step 5: Solve for x
    x = 1,144,299,720,432.96/1,204,634.87
  6. Step 6: Final answer
    x = 949,914.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.