Home / 1,313,564.16-1,966,507.36-1,187,494.72

Finding the Fourth Proportional to 1,313,564.16, 1,966,507.36 and 1,187,494.72

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Solution

The fourth proportional to 1,313,564.16, 1,966,507.36 and 1,187,494.72 is: 1,777,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,564.16 : 1,966,507.36 = 1,187,494.72 : x
  2. Step 2: Convert to fraction form
    1,313,564.16/1,966,507.36 = 1,187,494.72/x
  3. Step 3: Cross multiply
    1,313,564.16x = 1,966,507.36 × 1,187,494.72
  4. Step 4: Simplify right side
    1,313,564.16x = 2,335,217,106,841.14
  5. Step 5: Solve for x
    x = 2,335,217,106,841.14/1,313,564.16
  6. Step 6: Final answer
    x = 1,777,771.64

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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.