Home / 1,401,819.63-2,102,699.22-390,914.65

Finding the Fourth Proportional to 1,401,819.63, 2,102,699.22 and 390,914.65

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Solution

The fourth proportional to 1,401,819.63, 2,102,699.22 and 390,914.65 is: 586,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,819.63 : 2,102,699.22 = 390,914.65 : x
  2. Step 2: Convert to fraction form
    1,401,819.63/2,102,699.22 = 390,914.65/x
  3. Step 3: Cross multiply
    1,401,819.63x = 2,102,699.22 × 390,914.65
  4. Step 4: Simplify right side
    1,401,819.63x = 821,975,929,641.57
  5. Step 5: Solve for x
    x = 821,975,929,641.57/1,401,819.63
  6. Step 6: Final answer
    x = 586,363.55

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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.