Home / 1,268,526.69-1,902,690.77-357,672.38

Finding the Fourth Proportional to 1,268,526.69, 1,902,690.77 and 357,672.38

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Solution

The fourth proportional to 1,268,526.69, 1,902,690.77 and 357,672.38 is: 536,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,526.69 : 1,902,690.77 = 357,672.38 : x
  2. Step 2: Convert to fraction form
    1,268,526.69/1,902,690.77 = 357,672.38/x
  3. Step 3: Cross multiply
    1,268,526.69x = 1,902,690.77 × 357,672.38
  4. Step 4: Simplify right side
    1,268,526.69x = 680,539,924,808.12
  5. Step 5: Solve for x
    x = 680,539,924,808.12/1,268,526.69
  6. Step 6: Final answer
    x = 536,480.57

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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.