Home / 1,381,407-2,072,442.30-528,464.69

Finding the Fourth Proportional to 1,381,407, 2,072,442.30 and 528,464.69

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Solution

The fourth proportional to 1,381,407, 2,072,442.30 and 528,464.69 is: 792,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,407 : 2,072,442.30 = 528,464.69 : x
  2. Step 2: Convert to fraction form
    1,381,407/2,072,442.30 = 528,464.69/x
  3. Step 3: Cross multiply
    1,381,407x = 2,072,442.30 × 528,464.69
  4. Step 4: Simplify right side
    1,381,407x = 1,095,212,582,793.49
  5. Step 5: Solve for x
    x = 1,095,212,582,793.49/1,381,407
  6. Step 6: Final answer
    x = 792,823.97

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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.