Home / 1,326,388.61-1,990,003.26-473,441.38

Finding the Fourth Proportional to 1,326,388.61, 1,990,003.26 and 473,441.38

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Solution

The fourth proportional to 1,326,388.61, 1,990,003.26 and 473,441.38 is: 710,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,388.61 : 1,990,003.26 = 473,441.38 : x
  2. Step 2: Convert to fraction form
    1,326,388.61/1,990,003.26 = 473,441.38/x
  3. Step 3: Cross multiply
    1,326,388.61x = 1,990,003.26 × 473,441.38
  4. Step 4: Simplify right side
    1,326,388.61x = 942,149,889,618.90
  5. Step 5: Solve for x
    x = 942,149,889,618.90/1,326,388.61
  6. Step 6: Final answer
    x = 710,312.11

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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.