Home / 1,010,353.20-1,515,740.40-336,643.80

Finding the Fourth Proportional to 1,010,353.20, 1,515,740.40 and 336,643.80

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Solution

The fourth proportional to 1,010,353.20, 1,515,740.40 and 336,643.80 is: 505,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,353.20 : 1,515,740.40 = 336,643.80 : x
  2. Step 2: Convert to fraction form
    1,010,353.20/1,515,740.40 = 336,643.80/x
  3. Step 3: Cross multiply
    1,010,353.20x = 1,515,740.40 × 336,643.80
  4. Step 4: Simplify right side
    1,010,353.20x = 510,264,608,069.52
  5. Step 5: Solve for x
    x = 510,264,608,069.52/1,010,353.20
  6. Step 6: Final answer
    x = 505,035.87

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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.