Home / 1,701,438.80-2,549,009.40-991,806.80

Finding the Fourth Proportional to 1,701,438.80, 2,549,009.40 and 991,806.80

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Solution

The fourth proportional to 1,701,438.80, 2,549,009.40 and 991,806.80 is: 1,485,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701,438.80 : 2,549,009.40 = 991,806.80 : x
  2. Step 2: Convert to fraction form
    1,701,438.80/2,549,009.40 = 991,806.80/x
  3. Step 3: Cross multiply
    1,701,438.80x = 2,549,009.40 × 991,806.80
  4. Step 4: Simplify right side
    1,701,438.80x = 2,528,124,856,183.92
  5. Step 5: Solve for x
    x = 2,528,124,856,183.92/1,701,438.80
  6. Step 6: Final answer
    x = 1,485,874.69

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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.