Home / 1,234,152-1,850,519.52-485,789.76

Finding the Fourth Proportional to 1,234,152, 1,850,519.52 and 485,789.76

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Solution

The fourth proportional to 1,234,152, 1,850,519.52 and 485,789.76 is: 728,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,152 : 1,850,519.52 = 485,789.76 : x
  2. Step 2: Convert to fraction form
    1,234,152/1,850,519.52 = 485,789.76/x
  3. Step 3: Cross multiply
    1,234,152x = 1,850,519.52 × 485,789.76
  4. Step 4: Simplify right side
    1,234,152x = 898,963,433,496.12
  5. Step 5: Solve for x
    x = 898,963,433,496.12/1,234,152
  6. Step 6: Final answer
    x = 728,405.77

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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.