Home / 1,678,570.22-2,518,599.54-879,661.82

Finding the Fourth Proportional to 1,678,570.22, 2,518,599.54 and 879,661.82

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Solution

The fourth proportional to 1,678,570.22, 2,518,599.54 and 879,661.82 is: 1,319,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,570.22 : 2,518,599.54 = 879,661.82 : x
  2. Step 2: Convert to fraction form
    1,678,570.22/2,518,599.54 = 879,661.82/x
  3. Step 3: Cross multiply
    1,678,570.22x = 2,518,599.54 × 879,661.82
  4. Step 4: Simplify right side
    1,678,570.22x = 2,215,515,842,614.57
  5. Step 5: Solve for x
    x = 2,215,515,842,614.57/1,678,570.22
  6. Step 6: Final answer
    x = 1,319,882.73

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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.