Home / 1,326,455.88-1,990,104.40-473,509.26

Finding the Fourth Proportional to 1,326,455.88, 1,990,104.40 and 473,509.26

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Solution

The fourth proportional to 1,326,455.88, 1,990,104.40 and 473,509.26 is: 710,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,455.88 : 1,990,104.40 = 473,509.26 : x
  2. Step 2: Convert to fraction form
    1,326,455.88/1,990,104.40 = 473,509.26/x
  3. Step 3: Cross multiply
    1,326,455.88x = 1,990,104.40 × 473,509.26
  4. Step 4: Simplify right side
    1,326,455.88x = 942,332,861,766.74
  5. Step 5: Solve for x
    x = 942,332,861,766.74/1,326,455.88
  6. Step 6: Final answer
    x = 710,414.03

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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.