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Finding the Fourth Proportional to 1,188,348, 1,639,928.88 and 651,804

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Solution

The fourth proportional to 1,188,348, 1,639,928.88 and 651,804 is: 899,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,348 : 1,639,928.88 = 651,804 : x
  2. Step 2: Convert to fraction form
    1,188,348/1,639,928.88 = 651,804/x
  3. Step 3: Cross multiply
    1,188,348x = 1,639,928.88 × 651,804
  4. Step 4: Simplify right side
    1,188,348x = 1,068,912,203,699.52
  5. Step 5: Solve for x
    x = 1,068,912,203,699.52/1,188,348
  6. Step 6: Final answer
    x = 899,494.26

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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.