Home / 1,615,245.20-2,421,401.32-805,877.16

Finding the Fourth Proportional to 1,615,245.20, 2,421,401.32 and 805,877.16

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Solution

The fourth proportional to 1,615,245.20, 2,421,401.32 and 805,877.16 is: 1,208,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,245.20 : 2,421,401.32 = 805,877.16 : x
  2. Step 2: Convert to fraction form
    1,615,245.20/2,421,401.32 = 805,877.16/x
  3. Step 3: Cross multiply
    1,615,245.20x = 2,421,401.32 × 805,877.16
  4. Step 4: Simplify right side
    1,615,245.20x = 1,951,352,018,981.85
  5. Step 5: Solve for x
    x = 1,951,352,018,981.85/1,615,245.20
  6. Step 6: Final answer
    x = 1,208,084.09

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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.