Home / 1,507,314.69-2,080,187.33-862,721.15

Finding the Fourth Proportional to 1,507,314.69, 2,080,187.33 and 862,721.15

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Solution

The fourth proportional to 1,507,314.69, 2,080,187.33 and 862,721.15 is: 1,190,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,314.69 : 2,080,187.33 = 862,721.15 : x
  2. Step 2: Convert to fraction form
    1,507,314.69/2,080,187.33 = 862,721.15/x
  3. Step 3: Cross multiply
    1,507,314.69x = 2,080,187.33 × 862,721.15
  4. Step 4: Simplify right side
    1,507,314.69x = 1,794,621,590,838.49
  5. Step 5: Solve for x
    x = 1,794,621,590,838.49/1,507,314.69
  6. Step 6: Final answer
    x = 1,190,608.44

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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.