Home / 818,582.04-1,121,462.64-787,901.04

Finding the Fourth Proportional to 818,582.04, 1,121,462.64 and 787,901.04

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Solution

The fourth proportional to 818,582.04, 1,121,462.64 and 787,901.04 is: 1,079,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,582.04 : 1,121,462.64 = 787,901.04 : x
  2. Step 2: Convert to fraction form
    818,582.04/1,121,462.64 = 787,901.04/x
  3. Step 3: Cross multiply
    818,582.04x = 1,121,462.64 × 787,901.04
  4. Step 4: Simplify right side
    818,582.04x = 883,601,580,377.15
  5. Step 5: Solve for x
    x = 883,601,580,377.15/818,582.04
  6. Step 6: Final answer
    x = 1,079,429.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.