Home / 1,345,457.86-1,857,181.76-801,764.20

Finding the Fourth Proportional to 1,345,457.86, 1,857,181.76 and 801,764.20

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Solution

The fourth proportional to 1,345,457.86, 1,857,181.76 and 801,764.20 is: 1,106,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,457.86 : 1,857,181.76 = 801,764.20 : x
  2. Step 2: Convert to fraction form
    1,345,457.86/1,857,181.76 = 801,764.20/x
  3. Step 3: Cross multiply
    1,345,457.86x = 1,857,181.76 × 801,764.20
  4. Step 4: Simplify right side
    1,345,457.86x = 1,489,021,848,060.99
  5. Step 5: Solve for x
    x = 1,489,021,848,060.99/1,345,457.86
  6. Step 6: Final answer
    x = 1,106,702.70

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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.