Home / 975,161.91-1,345,605.52-561,833.91

Finding the Fourth Proportional to 975,161.91, 1,345,605.52 and 561,833.91

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Solution

The fourth proportional to 975,161.91, 1,345,605.52 and 561,833.91 is: 775,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,161.91 : 1,345,605.52 = 561,833.91 : x
  2. Step 2: Convert to fraction form
    975,161.91/1,345,605.52 = 561,833.91/x
  3. Step 3: Cross multiply
    975,161.91x = 1,345,605.52 × 561,833.91
  4. Step 4: Simplify right side
    975,161.91x = 756,006,810,619.18
  5. Step 5: Solve for x
    x = 756,006,810,619.18/975,161.91
  6. Step 6: Final answer
    x = 775,262.86

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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.