Home / 1,507,776.26-2,080,747.31-819,448.18

Finding the Fourth Proportional to 1,507,776.26, 2,080,747.31 and 819,448.18

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Solution

The fourth proportional to 1,507,776.26, 2,080,747.31 and 819,448.18 is: 1,130,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,776.26 : 2,080,747.31 = 819,448.18 : x
  2. Step 2: Convert to fraction form
    1,507,776.26/2,080,747.31 = 819,448.18/x
  3. Step 3: Cross multiply
    1,507,776.26x = 2,080,747.31 × 819,448.18
  4. Step 4: Simplify right side
    1,507,776.26x = 1,705,064,586,920.29
  5. Step 5: Solve for x
    x = 1,705,064,586,920.29/1,507,776.26
  6. Step 6: Final answer
    x = 1,130,847.22

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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.