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Finding the Fourth Proportional to 1,295,208, 1,787,387.04 and 758,664

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Solution

The fourth proportional to 1,295,208, 1,787,387.04 and 758,664 is: 1,046,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,208 : 1,787,387.04 = 758,664 : x
  2. Step 2: Convert to fraction form
    1,295,208/1,787,387.04 = 758,664/x
  3. Step 3: Cross multiply
    1,295,208x = 1,787,387.04 × 758,664
  4. Step 4: Simplify right side
    1,295,208x = 1,356,026,201,314.56
  5. Step 5: Solve for x
    x = 1,356,026,201,314.56/1,295,208
  6. Step 6: Final answer
    x = 1,046,956.32

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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.