Home / 1,039,400-1,434,372-562,472

Finding the Fourth Proportional to 1,039,400, 1,434,372 and 562,472

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Solution

The fourth proportional to 1,039,400, 1,434,372 and 562,472 is: 776,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,400 : 1,434,372 = 562,472 : x
  2. Step 2: Convert to fraction form
    1,039,400/1,434,372 = 562,472/x
  3. Step 3: Cross multiply
    1,039,400x = 1,434,372 × 562,472
  4. Step 4: Simplify right side
    1,039,400x = 806,794,087,584
  5. Step 5: Solve for x
    x = 806,794,087,584/1,039,400
  6. Step 6: Final answer
    x = 776,211.36

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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.