Home / 1,435,582.08-1,981,242.87-1,072,375.35

Finding the Fourth Proportional to 1,435,582.08, 1,981,242.87 and 1,072,375.35

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Solution

The fourth proportional to 1,435,582.08, 1,981,242.87 and 1,072,375.35 is: 1,479,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,582.08 : 1,981,242.87 = 1,072,375.35 : x
  2. Step 2: Convert to fraction form
    1,435,582.08/1,981,242.87 = 1,072,375.35/x
  3. Step 3: Cross multiply
    1,435,582.08x = 1,981,242.87 × 1,072,375.35
  4. Step 4: Simplify right side
    1,435,582.08x = 2,124,636,016,151.26
  5. Step 5: Solve for x
    x = 2,124,636,016,151.26/1,435,582.08
  6. Step 6: Final answer
    x = 1,479,982.26

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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.