Home / 1,171,031.36-1,615,377.67-808,645.46

Finding the Fourth Proportional to 1,171,031.36, 1,615,377.67 and 808,645.46

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Solution

The fourth proportional to 1,171,031.36, 1,615,377.67 and 808,645.46 is: 1,115,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,031.36 : 1,615,377.67 = 808,645.46 : x
  2. Step 2: Convert to fraction form
    1,171,031.36/1,615,377.67 = 808,645.46/x
  3. Step 3: Cross multiply
    1,171,031.36x = 1,615,377.67 × 808,645.46
  4. Step 4: Simplify right side
    1,171,031.36x = 1,306,267,808,932.38
  5. Step 5: Solve for x
    x = 1,306,267,808,932.38/1,171,031.36
  6. Step 6: Final answer
    x = 1,115,484.91

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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.