Home / 1,277,857.08-1,763,442.90-704,898.72

Finding the Fourth Proportional to 1,277,857.08, 1,763,442.90 and 704,898.72

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Solution

The fourth proportional to 1,277,857.08, 1,763,442.90 and 704,898.72 is: 972,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,857.08 : 1,763,442.90 = 704,898.72 : x
  2. Step 2: Convert to fraction form
    1,277,857.08/1,763,442.90 = 704,898.72/x
  3. Step 3: Cross multiply
    1,277,857.08x = 1,763,442.90 × 704,898.72
  4. Step 4: Simplify right side
    1,277,857.08x = 1,243,048,643,003.09
  5. Step 5: Solve for x
    x = 1,243,048,643,003.09/1,277,857.08
  6. Step 6: Final answer
    x = 972,760.31

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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.