Home / 1,631,361.66-2,249,523.86-1,019,290.83

Finding the Fourth Proportional to 1,631,361.66, 2,249,523.86 and 1,019,290.83

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Solution

The fourth proportional to 1,631,361.66, 2,249,523.86 and 1,019,290.83 is: 1,405,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,361.66 : 2,249,523.86 = 1,019,290.83 : x
  2. Step 2: Convert to fraction form
    1,631,361.66/2,249,523.86 = 1,019,290.83/x
  3. Step 3: Cross multiply
    1,631,361.66x = 2,249,523.86 × 1,019,290.83
  4. Step 4: Simplify right side
    1,631,361.66x = 2,292,919,031,116.58
  5. Step 5: Solve for x
    x = 2,292,919,031,116.58/1,631,361.66
  6. Step 6: Final answer
    x = 1,405,524.66

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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.