Home / 1,377,148.47-1,900,343.72-765,262.35

Finding the Fourth Proportional to 1,377,148.47, 1,900,343.72 and 765,262.35

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Solution

The fourth proportional to 1,377,148.47, 1,900,343.72 and 765,262.35 is: 1,055,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,148.47 : 1,900,343.72 = 765,262.35 : x
  2. Step 2: Convert to fraction form
    1,377,148.47/1,900,343.72 = 765,262.35/x
  3. Step 3: Cross multiply
    1,377,148.47x = 1,900,343.72 × 765,262.35
  4. Step 4: Simplify right side
    1,377,148.47x = 1,454,261,497,148.63
  5. Step 5: Solve for x
    x = 1,454,261,497,148.63/1,377,148.47
  6. Step 6: Final answer
    x = 1,055,994.71

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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.