Home / 1,310,341.62-1,965,985.39-457,538.96

Finding the Fourth Proportional to 1,310,341.62, 1,965,985.39 and 457,538.96

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Solution

The fourth proportional to 1,310,341.62, 1,965,985.39 and 457,538.96 is: 686,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,341.62 : 1,965,985.39 = 457,538.96 : x
  2. Step 2: Convert to fraction form
    1,310,341.62/1,965,985.39 = 457,538.96/x
  3. Step 3: Cross multiply
    1,310,341.62x = 1,965,985.39 × 457,538.96
  4. Step 4: Simplify right side
    1,310,341.62x = 899,514,916,202.68
  5. Step 5: Solve for x
    x = 899,514,916,202.68/1,310,341.62
  6. Step 6: Final answer
    x = 686,473.59

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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.