Home / 1,405,407.13-1,939,462.49-760,827.31

Finding the Fourth Proportional to 1,405,407.13, 1,939,462.49 and 760,827.31

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Solution

The fourth proportional to 1,405,407.13, 1,939,462.49 and 760,827.31 is: 1,049,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,407.13 : 1,939,462.49 = 760,827.31 : x
  2. Step 2: Convert to fraction form
    1,405,407.13/1,939,462.49 = 760,827.31/x
  3. Step 3: Cross multiply
    1,405,407.13x = 1,939,462.49 × 760,827.31
  4. Step 4: Simplify right side
    1,405,407.13x = 1,475,596,029,112.60
  5. Step 5: Solve for x
    x = 1,475,596,029,112.60/1,405,407.13
  6. Step 6: Final answer
    x = 1,049,942.04

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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.