Home / 1,246,089.84-1,869,107.88-347,507.60

Finding the Fourth Proportional to 1,246,089.84, 1,869,107.88 and 347,507.60

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Solution

The fourth proportional to 1,246,089.84, 1,869,107.88 and 347,507.60 is: 521,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,089.84 : 1,869,107.88 = 347,507.60 : x
  2. Step 2: Convert to fraction form
    1,246,089.84/1,869,107.88 = 347,507.60/x
  3. Step 3: Cross multiply
    1,246,089.84x = 1,869,107.88 × 347,507.60
  4. Step 4: Simplify right side
    1,246,089.84x = 649,529,193,519.89
  5. Step 5: Solve for x
    x = 649,529,193,519.89/1,246,089.84
  6. Step 6: Final answer
    x = 521,253.90

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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.