Home / 1,285,307.26-1,926,066.39-715,904.49

Finding the Fourth Proportional to 1,285,307.26, 1,926,066.39 and 715,904.49

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Solution

The fourth proportional to 1,285,307.26, 1,926,066.39 and 715,904.49 is: 1,072,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,307.26 : 1,926,066.39 = 715,904.49 : x
  2. Step 2: Convert to fraction form
    1,285,307.26/1,926,066.39 = 715,904.49/x
  3. Step 3: Cross multiply
    1,285,307.26x = 1,926,066.39 × 715,904.49
  4. Step 4: Simplify right side
    1,285,307.26x = 1,378,879,583,861.84
  5. Step 5: Solve for x
    x = 1,378,879,583,861.84/1,285,307.26
  6. Step 6: Final answer
    x = 1,072,801.52

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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.