Home / 1,384,580.36-2,077,221.27-425,084.94

Finding the Fourth Proportional to 1,384,580.36, 2,077,221.27 and 425,084.94

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Solution

The fourth proportional to 1,384,580.36, 2,077,221.27 and 425,084.94 is: 637,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,580.36 : 2,077,221.27 = 425,084.94 : x
  2. Step 2: Convert to fraction form
    1,384,580.36/2,077,221.27 = 425,084.94/x
  3. Step 3: Cross multiply
    1,384,580.36x = 2,077,221.27 × 425,084.94
  4. Step 4: Simplify right side
    1,384,580.36x = 882,995,478,924.67
  5. Step 5: Solve for x
    x = 882,995,478,924.67/1,384,580.36
  6. Step 6: Final answer
    x = 637,735.09

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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.