Home / 1,369,989.81-1,890,589.62-758,184.76

Finding the Fourth Proportional to 1,369,989.81, 1,890,589.62 and 758,184.76

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Solution

The fourth proportional to 1,369,989.81, 1,890,589.62 and 758,184.76 is: 1,046,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,989.81 : 1,890,589.62 = 758,184.76 : x
  2. Step 2: Convert to fraction form
    1,369,989.81/1,890,589.62 = 758,184.76/x
  3. Step 3: Cross multiply
    1,369,989.81x = 1,890,589.62 × 758,184.76
  4. Step 4: Simplify right side
    1,369,989.81x = 1,433,416,240,102.32
  5. Step 5: Solve for x
    x = 1,433,416,240,102.32/1,369,989.81
  6. Step 6: Final answer
    x = 1,046,297.01

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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.