Home / 1,709,490.21-2,564,164.03-447,289.89

Finding the Fourth Proportional to 1,709,490.21, 2,564,164.03 and 447,289.89

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Solution

The fourth proportional to 1,709,490.21, 2,564,164.03 and 447,289.89 is: 670,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,490.21 : 2,564,164.03 = 447,289.89 : x
  2. Step 2: Convert to fraction form
    1,709,490.21/2,564,164.03 = 447,289.89/x
  3. Step 3: Cross multiply
    1,709,490.21x = 2,564,164.03 × 447,289.89
  4. Step 4: Simplify right side
    1,709,490.21x = 1,146,924,631,863.39
  5. Step 5: Solve for x
    x = 1,146,924,631,863.39/1,709,490.21
  6. Step 6: Final answer
    x = 670,916.18

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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.