Home / 1,210,252.72-1,669,411.92-745,181.44

Finding the Fourth Proportional to 1,210,252.72, 1,669,411.92 and 745,181.44

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Solution

The fourth proportional to 1,210,252.72, 1,669,411.92 and 745,181.44 is: 1,027,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,252.72 : 1,669,411.92 = 745,181.44 : x
  2. Step 2: Convert to fraction form
    1,210,252.72/1,669,411.92 = 745,181.44/x
  3. Step 3: Cross multiply
    1,210,252.72x = 1,669,411.92 × 745,181.44
  4. Step 4: Simplify right side
    1,210,252.72x = 1,244,014,778,498.76
  5. Step 5: Solve for x
    x = 1,244,014,778,498.76/1,210,252.72
  6. Step 6: Final answer
    x = 1,027,896.70

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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.