Home / 1,691,502.88-2,537,262.83-429,330.91

Finding the Fourth Proportional to 1,691,502.88, 2,537,262.83 and 429,330.91

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Solution

The fourth proportional to 1,691,502.88, 2,537,262.83 and 429,330.91 is: 643,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,502.88 : 2,537,262.83 = 429,330.91 : x
  2. Step 2: Convert to fraction form
    1,691,502.88/2,537,262.83 = 429,330.91/x
  3. Step 3: Cross multiply
    1,691,502.88x = 2,537,262.83 × 429,330.91
  4. Step 4: Simplify right side
    1,691,502.88x = 1,089,325,359,713.08
  5. Step 5: Solve for x
    x = 1,089,325,359,713.08/1,691,502.88
  6. Step 6: Final answer
    x = 643,998.52

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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.