Home / 1,719,014.70-2,579,040.45-920,678.70

Finding the Fourth Proportional to 1,719,014.70, 2,579,040.45 and 920,678.70

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Solution

The fourth proportional to 1,719,014.70, 2,579,040.45 and 920,678.70 is: 1,381,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,014.70 : 2,579,040.45 = 920,678.70 : x
  2. Step 2: Convert to fraction form
    1,719,014.70/2,579,040.45 = 920,678.70/x
  3. Step 3: Cross multiply
    1,719,014.70x = 2,579,040.45 × 920,678.70
  4. Step 4: Simplify right side
    1,719,014.70x = 2,374,467,608,753.42
  5. Step 5: Solve for x
    x = 2,374,467,608,753.42/1,719,014.70
  6. Step 6: Final answer
    x = 1,381,295.70

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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.