Home / 1,559,358.54-2,154,021.01-1,175,078.72

Finding the Fourth Proportional to 1,559,358.54, 2,154,021.01 and 1,175,078.72

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Solution

The fourth proportional to 1,559,358.54, 2,154,021.01 and 1,175,078.72 is: 1,623,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,358.54 : 2,154,021.01 = 1,175,078.72 : x
  2. Step 2: Convert to fraction form
    1,559,358.54/2,154,021.01 = 1,175,078.72/x
  3. Step 3: Cross multiply
    1,559,358.54x = 2,154,021.01 × 1,175,078.72
  4. Step 4: Simplify right side
    1,559,358.54x = 2,531,144,253,731.26
  5. Step 5: Solve for x
    x = 2,531,144,253,731.26/1,559,358.54
  6. Step 6: Final answer
    x = 1,623,195.81

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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.