Home / 1,719,121.18-2,578,678.95-456,948.82

Finding the Fourth Proportional to 1,719,121.18, 2,578,678.95 and 456,948.82

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Solution

The fourth proportional to 1,719,121.18, 2,578,678.95 and 456,948.82 is: 685,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,121.18 : 2,578,678.95 = 456,948.82 : x
  2. Step 2: Convert to fraction form
    1,719,121.18/2,578,678.95 = 456,948.82/x
  3. Step 3: Cross multiply
    1,719,121.18x = 2,578,678.95 × 456,948.82
  4. Step 4: Simplify right side
    1,719,121.18x = 1,178,324,303,361.34
  5. Step 5: Solve for x
    x = 1,178,324,303,361.34/1,719,121.18
  6. Step 6: Final answer
    x = 685,422.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.