Home / 1,228,856.69-1,695,988.24-745,343.80

Finding the Fourth Proportional to 1,228,856.69, 1,695,988.24 and 745,343.80

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Solution

The fourth proportional to 1,228,856.69, 1,695,988.24 and 745,343.80 is: 1,028,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,856.69 : 1,695,988.24 = 745,343.80 : x
  2. Step 2: Convert to fraction form
    1,228,856.69/1,695,988.24 = 745,343.80/x
  3. Step 3: Cross multiply
    1,228,856.69x = 1,695,988.24 × 745,343.80
  4. Step 4: Simplify right side
    1,228,856.69x = 1,264,094,313,453.58
  5. Step 5: Solve for x
    x = 1,264,094,313,453.58/1,228,856.69
  6. Step 6: Final answer
    x = 1,028,675.13

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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.