Home / 1,376,926.27-1,900,117.57-765,063.81

Finding the Fourth Proportional to 1,376,926.27, 1,900,117.57 and 765,063.81

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Solution

The fourth proportional to 1,376,926.27, 1,900,117.57 and 765,063.81 is: 1,055,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,926.27 : 1,900,117.57 = 765,063.81 : x
  2. Step 2: Convert to fraction form
    1,376,926.27/1,900,117.57 = 765,063.81/x
  3. Step 3: Cross multiply
    1,376,926.27x = 1,900,117.57 × 765,063.81
  4. Step 4: Simplify right side
    1,376,926.27x = 1,453,711,187,552.14
  5. Step 5: Solve for x
    x = 1,453,711,187,552.14/1,376,926.27
  6. Step 6: Final answer
    x = 1,055,765.45

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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.