Home / 1,507,529.89-2,080,399.71-819,207.46

Finding the Fourth Proportional to 1,507,529.89, 2,080,399.71 and 819,207.46

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Solution

The fourth proportional to 1,507,529.89, 2,080,399.71 and 819,207.46 is: 1,130,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,529.89 : 2,080,399.71 = 819,207.46 : x
  2. Step 2: Convert to fraction form
    1,507,529.89/2,080,399.71 = 819,207.46/x
  3. Step 3: Cross multiply
    1,507,529.89x = 2,080,399.71 × 819,207.46
  4. Step 4: Simplify right side
    1,507,529.89x = 1,704,278,962,213.84
  5. Step 5: Solve for x
    x = 1,704,278,962,213.84/1,507,529.89
  6. Step 6: Final answer
    x = 1,130,510.89

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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.