Home / 1,125,389.03-1,688,081.02-869,593.58

Finding the Fourth Proportional to 1,125,389.03, 1,688,081.02 and 869,593.58

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Solution

The fourth proportional to 1,125,389.03, 1,688,081.02 and 869,593.58 is: 1,304,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,389.03 : 1,688,081.02 = 869,593.58 : x
  2. Step 2: Convert to fraction form
    1,125,389.03/1,688,081.02 = 869,593.58/x
  3. Step 3: Cross multiply
    1,125,389.03x = 1,688,081.02 × 869,593.58
  4. Step 4: Simplify right side
    1,125,389.03x = 1,467,944,419,558.07
  5. Step 5: Solve for x
    x = 1,467,944,419,558.07/1,125,389.03
  6. Step 6: Final answer
    x = 1,304,388.42

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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.