Home / 1,330,120.35-1,834,908.39-785,992.86

Finding the Fourth Proportional to 1,330,120.35, 1,834,908.39 and 785,992.86

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Solution

The fourth proportional to 1,330,120.35, 1,834,908.39 and 785,992.86 is: 1,084,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,120.35 : 1,834,908.39 = 785,992.86 : x
  2. Step 2: Convert to fraction form
    1,330,120.35/1,834,908.39 = 785,992.86/x
  3. Step 3: Cross multiply
    1,330,120.35x = 1,834,908.39 × 785,992.86
  4. Step 4: Simplify right side
    1,330,120.35x = 1,442,224,893,294.10
  5. Step 5: Solve for x
    x = 1,442,224,893,294.10/1,330,120.35
  6. Step 6: Final answer
    x = 1,084,281.50

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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.