Home / 1,381,782.24-2,072,673.36-539,743.50

Finding the Fourth Proportional to 1,381,782.24, 2,072,673.36 and 539,743.50

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Solution

The fourth proportional to 1,381,782.24, 2,072,673.36 and 539,743.50 is: 809,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,782.24 : 2,072,673.36 = 539,743.50 : x
  2. Step 2: Convert to fraction form
    1,381,782.24/2,072,673.36 = 539,743.50/x
  3. Step 3: Cross multiply
    1,381,782.24x = 2,072,673.36 × 539,743.50
  4. Step 4: Simplify right side
    1,381,782.24x = 1,118,711,973,683.16
  5. Step 5: Solve for x
    x = 1,118,711,973,683.16/1,381,782.24
  6. Step 6: Final answer
    x = 809,615.25

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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.