Home / 1,171,472.15-1,616,154.63-763,425.34

Finding the Fourth Proportional to 1,171,472.15, 1,616,154.63 and 763,425.34

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Solution

The fourth proportional to 1,171,472.15, 1,616,154.63 and 763,425.34 is: 1,053,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,472.15 : 1,616,154.63 = 763,425.34 : x
  2. Step 2: Convert to fraction form
    1,171,472.15/1,616,154.63 = 763,425.34/x
  3. Step 3: Cross multiply
    1,171,472.15x = 1,616,154.63 × 763,425.34
  4. Step 4: Simplify right side
    1,171,472.15x = 1,233,813,390,997.09
  5. Step 5: Solve for x
    x = 1,233,813,390,997.09/1,171,472.15
  6. Step 6: Final answer
    x = 1,053,216.15

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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.