Home / 1,578,967.75-2,178,843.06-934,274.98

Finding the Fourth Proportional to 1,578,967.75, 2,178,843.06 and 934,274.98

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Solution

The fourth proportional to 1,578,967.75, 2,178,843.06 and 934,274.98 is: 1,289,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,967.75 : 2,178,843.06 = 934,274.98 : x
  2. Step 2: Convert to fraction form
    1,578,967.75/2,178,843.06 = 934,274.98/x
  3. Step 3: Cross multiply
    1,578,967.75x = 2,178,843.06 × 934,274.98
  4. Step 4: Simplify right side
    1,578,967.75x = 2,035,638,556,304.64
  5. Step 5: Solve for x
    x = 2,035,638,556,304.64/1,578,967.75
  6. Step 6: Final answer
    x = 1,289,221.11

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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.