Home / 1,338,076.65-2,006,549.09-539,143.68

Finding the Fourth Proportional to 1,338,076.65, 2,006,549.09 and 539,143.68

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Solution

The fourth proportional to 1,338,076.65, 2,006,549.09 and 539,143.68 is: 808,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,076.65 : 2,006,549.09 = 539,143.68 : x
  2. Step 2: Convert to fraction form
    1,338,076.65/2,006,549.09 = 539,143.68/x
  3. Step 3: Cross multiply
    1,338,076.65x = 2,006,549.09 × 539,143.68
  4. Step 4: Simplify right side
    1,338,076.65x = 1,081,818,260,483.25
  5. Step 5: Solve for x
    x = 1,081,818,260,483.25/1,338,076.65
  6. Step 6: Final answer
    x = 808,487.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.