Home / 1,321,330.71-1,823,587.65-740,710.66

Finding the Fourth Proportional to 1,321,330.71, 1,823,587.65 and 740,710.66

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Solution

The fourth proportional to 1,321,330.71, 1,823,587.65 and 740,710.66 is: 1,022,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,330.71 : 1,823,587.65 = 740,710.66 : x
  2. Step 2: Convert to fraction form
    1,321,330.71/1,823,587.65 = 740,710.66/x
  3. Step 3: Cross multiply
    1,321,330.71x = 1,823,587.65 × 740,710.66
  4. Step 4: Simplify right side
    1,321,330.71x = 1,350,750,811,799.35
  5. Step 5: Solve for x
    x = 1,350,750,811,799.35/1,321,330.71
  6. Step 6: Final answer
    x = 1,022,265.51

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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.