Home / 1,100,682.64-1,651,188.02-390,651.22

Finding the Fourth Proportional to 1,100,682.64, 1,651,188.02 and 390,651.22

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Solution

The fourth proportional to 1,100,682.64, 1,651,188.02 and 390,651.22 is: 586,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,682.64 : 1,651,188.02 = 390,651.22 : x
  2. Step 2: Convert to fraction form
    1,100,682.64/1,651,188.02 = 390,651.22/x
  3. Step 3: Cross multiply
    1,100,682.64x = 1,651,188.02 × 390,651.22
  4. Step 4: Simplify right side
    1,100,682.64x = 645,038,614,462.38
  5. Step 5: Solve for x
    x = 645,038,614,462.38/1,100,682.64
  6. Step 6: Final answer
    x = 586,035.06

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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.