Home / 1,401,034.60-2,103,107.10-869,156.20

Finding the Fourth Proportional to 1,401,034.60, 2,103,107.10 and 869,156.20

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Solution

The fourth proportional to 1,401,034.60, 2,103,107.10 and 869,156.20 is: 1,304,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,034.60 : 2,103,107.10 = 869,156.20 : x
  2. Step 2: Convert to fraction form
    1,401,034.60/2,103,107.10 = 869,156.20/x
  3. Step 3: Cross multiply
    1,401,034.60x = 2,103,107.10 × 869,156.20
  4. Step 4: Simplify right side
    1,401,034.60x = 1,827,928,575,229.02
  5. Step 5: Solve for x
    x = 1,827,928,575,229.02/1,401,034.60
  6. Step 6: Final answer
    x = 1,304,699.10

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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.