Home / 1,285,730.96-1,774,332.78-704,915.60

Finding the Fourth Proportional to 1,285,730.96, 1,774,332.78 and 704,915.60

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Solution

The fourth proportional to 1,285,730.96, 1,774,332.78 and 704,915.60 is: 972,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,730.96 : 1,774,332.78 = 704,915.60 : x
  2. Step 2: Convert to fraction form
    1,285,730.96/1,774,332.78 = 704,915.60/x
  3. Step 3: Cross multiply
    1,285,730.96x = 1,774,332.78 × 704,915.60
  4. Step 4: Simplify right side
    1,285,730.96x = 1,250,754,856,213.37
  5. Step 5: Solve for x
    x = 1,250,754,856,213.37/1,285,730.96
  6. Step 6: Final answer
    x = 972,796.72

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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.