Home / 982,911.52-1,355,897.64-676,455.86

Finding the Fourth Proportional to 982,911.52, 1,355,897.64 and 676,455.86

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Solution

The fourth proportional to 982,911.52, 1,355,897.64 and 676,455.86 is: 933,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,911.52 : 1,355,897.64 = 676,455.86 : x
  2. Step 2: Convert to fraction form
    982,911.52/1,355,897.64 = 676,455.86/x
  3. Step 3: Cross multiply
    982,911.52x = 1,355,897.64 × 676,455.86
  4. Step 4: Simplify right side
    982,911.52x = 917,204,904,138.17
  5. Step 5: Solve for x
    x = 917,204,904,138.17/982,911.52
  6. Step 6: Final answer
    x = 933,151.04

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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.