Home / 1,243,704.56-1,865,615.16-402,321.92

Finding the Fourth Proportional to 1,243,704.56, 1,865,615.16 and 402,321.92

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Solution

The fourth proportional to 1,243,704.56, 1,865,615.16 and 402,321.92 is: 603,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,704.56 : 1,865,615.16 = 402,321.92 : x
  2. Step 2: Convert to fraction form
    1,243,704.56/1,865,615.16 = 402,321.92/x
  3. Step 3: Cross multiply
    1,243,704.56x = 1,865,615.16 × 402,321.92
  4. Step 4: Simplify right side
    1,243,704.56x = 750,577,873,152.31
  5. Step 5: Solve for x
    x = 750,577,873,152.31/1,243,704.56
  6. Step 6: Final answer
    x = 603,501.75

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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.