Home / 1,100,665.68-1,651,162.54-390,634.26

Finding the Fourth Proportional to 1,100,665.68, 1,651,162.54 and 390,634.26

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Solution

The fourth proportional to 1,100,665.68, 1,651,162.54 and 390,634.26 is: 586,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,665.68 : 1,651,162.54 = 390,634.26 : x
  2. Step 2: Convert to fraction form
    1,100,665.68/1,651,162.54 = 390,634.26/x
  3. Step 3: Cross multiply
    1,100,665.68x = 1,651,162.54 × 390,634.26
  4. Step 4: Simplify right side
    1,100,665.68x = 645,000,656,952.62
  5. Step 5: Solve for x
    x = 645,000,656,952.62/1,100,665.68
  6. Step 6: Final answer
    x = 586,009.60

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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.