Home / 1,215,785.60-1,824,196.80-584,374.40

Finding the Fourth Proportional to 1,215,785.60, 1,824,196.80 and 584,374.40

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Solution

The fourth proportional to 1,215,785.60, 1,824,196.80 and 584,374.40 is: 876,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,785.60 : 1,824,196.80 = 584,374.40 : x
  2. Step 2: Convert to fraction form
    1,215,785.60/1,824,196.80 = 584,374.40/x
  3. Step 3: Cross multiply
    1,215,785.60x = 1,824,196.80 × 584,374.40
  4. Step 4: Simplify right side
    1,215,785.60x = 1,066,013,910,481.92
  5. Step 5: Solve for x
    x = 1,066,013,910,481.92/1,215,785.60
  6. Step 6: Final answer
    x = 876,810.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.