Home / 1,126,825.70-1,554,530.74-745,384.82

Finding the Fourth Proportional to 1,126,825.70, 1,554,530.74 and 745,384.82

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Solution

The fourth proportional to 1,126,825.70, 1,554,530.74 and 745,384.82 is: 1,028,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,825.70 : 1,554,530.74 = 745,384.82 : x
  2. Step 2: Convert to fraction form
    1,126,825.70/1,554,530.74 = 745,384.82/x
  3. Step 3: Cross multiply
    1,126,825.70x = 1,554,530.74 × 745,384.82
  4. Step 4: Simplify right side
    1,126,825.70x = 1,158,723,606,183.25
  5. Step 5: Solve for x
    x = 1,158,723,606,183.25/1,126,825.70
  6. Step 6: Final answer
    x = 1,028,307.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.