Home / 1,159,794.46-1,739,635.10-430,459.58

Finding the Fourth Proportional to 1,159,794.46, 1,739,635.10 and 430,459.58

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Solution

The fourth proportional to 1,159,794.46, 1,739,635.10 and 430,459.58 is: 645,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,794.46 : 1,739,635.10 = 430,459.58 : x
  2. Step 2: Convert to fraction form
    1,159,794.46/1,739,635.10 = 430,459.58/x
  3. Step 3: Cross multiply
    1,159,794.46x = 1,739,635.10 × 430,459.58
  4. Step 4: Simplify right side
    1,159,794.46x = 748,842,598,310.27
  5. Step 5: Solve for x
    x = 748,842,598,310.27/1,159,794.46
  6. Step 6: Final answer
    x = 645,668.37

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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.