Home / 1,507,624.28-2,080,541.79-819,309.80

Finding the Fourth Proportional to 1,507,624.28, 2,080,541.79 and 819,309.80

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Solution

The fourth proportional to 1,507,624.28, 2,080,541.79 and 819,309.80 is: 1,130,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,624.28 : 2,080,541.79 = 819,309.80 : x
  2. Step 2: Convert to fraction form
    1,507,624.28/2,080,541.79 = 819,309.80/x
  3. Step 3: Cross multiply
    1,507,624.28x = 2,080,541.79 × 819,309.80
  4. Step 4: Simplify right side
    1,507,624.28x = 1,704,608,277,856.54
  5. Step 5: Solve for x
    x = 1,704,608,277,856.54/1,507,624.28
  6. Step 6: Final answer
    x = 1,130,658.55

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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.