Home / 954,521.72-1,317,161.58-561,992.28

Finding the Fourth Proportional to 954,521.72, 1,317,161.58 and 561,992.28

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Solution

The fourth proportional to 954,521.72, 1,317,161.58 and 561,992.28 is: 775,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,521.72 : 1,317,161.58 = 561,992.28 : x
  2. Step 2: Convert to fraction form
    954,521.72/1,317,161.58 = 561,992.28/x
  3. Step 3: Cross multiply
    954,521.72x = 1,317,161.58 × 561,992.28
  4. Step 4: Simplify right side
    954,521.72x = 740,234,639,472.60
  5. Step 5: Solve for x
    x = 740,234,639,472.60/954,521.72
  6. Step 6: Final answer
    x = 775,503.19

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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.