Home / 1,437,259.28-2,155,889.81-806,615.96

Finding the Fourth Proportional to 1,437,259.28, 2,155,889.81 and 806,615.96

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Solution

The fourth proportional to 1,437,259.28, 2,155,889.81 and 806,615.96 is: 1,209,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,259.28 : 2,155,889.81 = 806,615.96 : x
  2. Step 2: Convert to fraction form
    1,437,259.28/2,155,889.81 = 806,615.96/x
  3. Step 3: Cross multiply
    1,437,259.28x = 2,155,889.81 × 806,615.96
  4. Step 4: Simplify right side
    1,437,259.28x = 1,738,975,119,984.46
  5. Step 5: Solve for x
    x = 1,738,975,119,984.46/1,437,259.28
  6. Step 6: Final answer
    x = 1,209,924.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.