Home / 1,145,465.78-1,580,691.60-686,833.49

Finding the Fourth Proportional to 1,145,465.78, 1,580,691.60 and 686,833.49

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Solution

The fourth proportional to 1,145,465.78, 1,580,691.60 and 686,833.49 is: 947,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,465.78 : 1,580,691.60 = 686,833.49 : x
  2. Step 2: Convert to fraction form
    1,145,465.78/1,580,691.60 = 686,833.49/x
  3. Step 3: Cross multiply
    1,145,465.78x = 1,580,691.60 × 686,833.49
  4. Step 4: Simplify right side
    1,145,465.78x = 1,085,671,932,193.41
  5. Step 5: Solve for x
    x = 1,085,671,932,193.41/1,145,465.78
  6. Step 6: Final answer
    x = 947,799.54

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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.