Home / 1,300,457.12-1,794,633.45-727,506.86

Finding the Fourth Proportional to 1,300,457.12, 1,794,633.45 and 727,506.86

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Solution

The fourth proportional to 1,300,457.12, 1,794,633.45 and 727,506.86 is: 1,003,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,457.12 : 1,794,633.45 = 727,506.86 : x
  2. Step 2: Convert to fraction form
    1,300,457.12/1,794,633.45 = 727,506.86/x
  3. Step 3: Cross multiply
    1,300,457.12x = 1,794,633.45 × 727,506.86
  4. Step 4: Simplify right side
    1,300,457.12x = 1,305,608,146,060.47
  5. Step 5: Solve for x
    x = 1,305,608,146,060.47/1,300,457.12
  6. Step 6: Final answer
    x = 1,003,960.93

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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.