Home / 1,507,774.50-2,080,744.92-819,446.40

Finding the Fourth Proportional to 1,507,774.50, 2,080,744.92 and 819,446.40

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Solution

The fourth proportional to 1,507,774.50, 2,080,744.92 and 819,446.40 is: 1,130,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,774.50 : 2,080,744.92 = 819,446.40 : x
  2. Step 2: Convert to fraction form
    1,507,774.50/2,080,744.92 = 819,446.40/x
  3. Step 3: Cross multiply
    1,507,774.50x = 2,080,744.92 × 819,446.40
  4. Step 4: Simplify right side
    1,507,774.50x = 1,705,058,934,012.29
  5. Step 5: Solve for x
    x = 1,705,058,934,012.29/1,507,774.50
  6. Step 6: Final answer
    x = 1,130,844.79

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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.