Home / 1,070,728.89-1,606,513.89-471,269.80

Finding the Fourth Proportional to 1,070,728.89, 1,606,513.89 and 471,269.80

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Solution

The fourth proportional to 1,070,728.89, 1,606,513.89 and 471,269.80 is: 707,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,728.89 : 1,606,513.89 = 471,269.80 : x
  2. Step 2: Convert to fraction form
    1,070,728.89/1,606,513.89 = 471,269.80/x
  3. Step 3: Cross multiply
    1,070,728.89x = 1,606,513.89 × 471,269.80
  4. Step 4: Simplify right side
    1,070,728.89x = 757,101,473,713.54
  5. Step 5: Solve for x
    x = 757,101,473,713.54/1,070,728.89
  6. Step 6: Final answer
    x = 707,089.80

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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.