Home / 1,377,114.74-1,900,297.38-765,228.74

Finding the Fourth Proportional to 1,377,114.74, 1,900,297.38 and 765,228.74

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Solution

The fourth proportional to 1,377,114.74, 1,900,297.38 and 765,228.74 is: 1,055,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,114.74 : 1,900,297.38 = 765,228.74 : x
  2. Step 2: Convert to fraction form
    1,377,114.74/1,900,297.38 = 765,228.74/x
  3. Step 3: Cross multiply
    1,377,114.74x = 1,900,297.38 × 765,228.74
  4. Step 4: Simplify right side
    1,377,114.74x = 1,454,162,169,722.70
  5. Step 5: Solve for x
    x = 1,454,162,169,722.70/1,377,114.74
  6. Step 6: Final answer
    x = 1,055,948.45

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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.