Home / 1,402,829.25-2,100,443.04-727,494.39

Finding the Fourth Proportional to 1,402,829.25, 2,100,443.04 and 727,494.39

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Solution

The fourth proportional to 1,402,829.25, 2,100,443.04 and 727,494.39 is: 1,089,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,829.25 : 2,100,443.04 = 727,494.39 : x
  2. Step 2: Convert to fraction form
    1,402,829.25/2,100,443.04 = 727,494.39/x
  3. Step 3: Cross multiply
    1,402,829.25x = 2,100,443.04 × 727,494.39
  4. Step 4: Simplify right side
    1,402,829.25x = 1,528,060,528,114.55
  5. Step 5: Solve for x
    x = 1,528,060,528,114.55/1,402,829.25
  6. Step 6: Final answer
    x = 1,089,270.51

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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.