Home / 1,511,401.34-2,088,389.62-1,207,981.62

Finding the Fourth Proportional to 1,511,401.34, 2,088,389.62 and 1,207,981.62

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Solution

The fourth proportional to 1,511,401.34, 2,088,389.62 and 1,207,981.62 is: 1,669,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,401.34 : 2,088,389.62 = 1,207,981.62 : x
  2. Step 2: Convert to fraction form
    1,511,401.34/2,088,389.62 = 1,207,981.62/x
  3. Step 3: Cross multiply
    1,511,401.34x = 2,088,389.62 × 1,207,981.62
  4. Step 4: Simplify right side
    1,511,401.34x = 2,522,736,277,868.76
  5. Step 5: Solve for x
    x = 2,522,736,277,868.76/1,511,401.34
  6. Step 6: Final answer
    x = 1,669,137.25

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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.