Home / 1,285,312.91-1,773,663.48-741,416.22

Finding the Fourth Proportional to 1,285,312.91, 1,773,663.48 and 741,416.22

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Solution

The fourth proportional to 1,285,312.91, 1,773,663.48 and 741,416.22 is: 1,023,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,312.91 : 1,773,663.48 = 741,416.22 : x
  2. Step 2: Convert to fraction form
    1,285,312.91/1,773,663.48 = 741,416.22/x
  3. Step 3: Cross multiply
    1,285,312.91x = 1,773,663.48 × 741,416.22
  4. Step 4: Simplify right side
    1,285,312.91x = 1,315,022,872,893.65
  5. Step 5: Solve for x
    x = 1,315,022,872,893.65/1,285,312.91
  6. Step 6: Final answer
    x = 1,023,114.97

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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.