Home / 1,075,999.38-1,615,798.62-672,131.22

Finding the Fourth Proportional to 1,075,999.38, 1,615,798.62 and 672,131.22

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Solution

The fourth proportional to 1,075,999.38, 1,615,798.62 and 672,131.22 is: 1,009,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,999.38 : 1,615,798.62 = 672,131.22 : x
  2. Step 2: Convert to fraction form
    1,075,999.38/1,615,798.62 = 672,131.22/x
  3. Step 3: Cross multiply
    1,075,999.38x = 1,615,798.62 × 672,131.22
  4. Step 4: Simplify right side
    1,075,999.38x = 1,086,028,697,734.92
  5. Step 5: Solve for x
    x = 1,086,028,697,734.92/1,075,999.38
  6. Step 6: Final answer
    x = 1,009,320.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.