Home / 1,281,767.54-1,769,056.71-738,218.02

Finding the Fourth Proportional to 1,281,767.54, 1,769,056.71 and 738,218.02

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Solution

The fourth proportional to 1,281,767.54, 1,769,056.71 and 738,218.02 is: 1,018,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,767.54 : 1,769,056.71 = 738,218.02 : x
  2. Step 2: Convert to fraction form
    1,281,767.54/1,769,056.71 = 738,218.02/x
  3. Step 3: Cross multiply
    1,281,767.54x = 1,769,056.71 × 738,218.02
  4. Step 4: Simplify right side
    1,281,767.54x = 1,305,949,530,386.73
  5. Step 5: Solve for x
    x = 1,305,949,530,386.73/1,281,767.54
  6. Step 6: Final answer
    x = 1,018,866.13

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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.