Home / 1,205,282.10-1,663,309.71-661,468.48

Finding the Fourth Proportional to 1,205,282.10, 1,663,309.71 and 661,468.48

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Solution

The fourth proportional to 1,205,282.10, 1,663,309.71 and 661,468.48 is: 912,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,282.10 : 1,663,309.71 = 661,468.48 : x
  2. Step 2: Convert to fraction form
    1,205,282.10/1,663,309.71 = 661,468.48/x
  3. Step 3: Cross multiply
    1,205,282.10x = 1,663,309.71 × 661,468.48
  4. Step 4: Simplify right side
    1,205,282.10x = 1,100,226,945,642.94
  5. Step 5: Solve for x
    x = 1,100,226,945,642.94/1,205,282.10
  6. Step 6: Final answer
    x = 912,837.70

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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.