Home / 1,377,235.32-1,900,762.14-773,739.96

Finding the Fourth Proportional to 1,377,235.32, 1,900,762.14 and 773,739.96

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Solution

The fourth proportional to 1,377,235.32, 1,900,762.14 and 773,739.96 is: 1,067,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,235.32 : 1,900,762.14 = 773,739.96 : x
  2. Step 2: Convert to fraction form
    1,377,235.32/1,900,762.14 = 773,739.96/x
  3. Step 3: Cross multiply
    1,377,235.32x = 1,900,762.14 × 773,739.96
  4. Step 4: Simplify right side
    1,377,235.32x = 1,470,695,622,173.11
  5. Step 5: Solve for x
    x = 1,470,695,622,173.11/1,377,235.32
  6. Step 6: Final answer
    x = 1,067,860.81

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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.