Home / 954,418.51-1,317,019.18-561,889.15

Finding the Fourth Proportional to 954,418.51, 1,317,019.18 and 561,889.15

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Solution

The fourth proportional to 954,418.51, 1,317,019.18 and 561,889.15 is: 775,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,418.51 : 1,317,019.18 = 561,889.15 : x
  2. Step 2: Convert to fraction form
    954,418.51/1,317,019.18 = 561,889.15/x
  3. Step 3: Cross multiply
    954,418.51x = 1,317,019.18 × 561,889.15
  4. Step 4: Simplify right side
    954,418.51x = 740,018,787,583.90
  5. Step 5: Solve for x
    x = 740,018,787,583.90/954,418.51
  6. Step 6: Final answer
    x = 775,360.89

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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.