Home / 1,310,530.34-1,807,838.24-901,922.79

Finding the Fourth Proportional to 1,310,530.34, 1,807,838.24 and 901,922.79

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Solution

The fourth proportional to 1,310,530.34, 1,807,838.24 and 901,922.79 is: 1,244,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,530.34 : 1,807,838.24 = 901,922.79 : x
  2. Step 2: Convert to fraction form
    1,310,530.34/1,807,838.24 = 901,922.79/x
  3. Step 3: Cross multiply
    1,310,530.34x = 1,807,838.24 × 901,922.79
  4. Step 4: Simplify right side
    1,310,530.34x = 1,630,530,504,779.88
  5. Step 5: Solve for x
    x = 1,630,530,504,779.88/1,310,530.34
  6. Step 6: Final answer
    x = 1,244,176.09

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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.