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Finding the Fourth Proportional to 1,295,154, 1,787,312.52 and 758,610

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Solution

The fourth proportional to 1,295,154, 1,787,312.52 and 758,610 is: 1,046,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,154 : 1,787,312.52 = 758,610 : x
  2. Step 2: Convert to fraction form
    1,295,154/1,787,312.52 = 758,610/x
  3. Step 3: Cross multiply
    1,295,154x = 1,787,312.52 × 758,610
  4. Step 4: Simplify right side
    1,295,154x = 1,355,873,150,797.20
  5. Step 5: Solve for x
    x = 1,355,873,150,797.20/1,295,154
  6. Step 6: Final answer
    x = 1,046,881.80

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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.