Home / 1,239,328.60-1,856,228.10-1,018,144.60

Finding the Fourth Proportional to 1,239,328.60, 1,856,228.10 and 1,018,144.60

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Solution

The fourth proportional to 1,239,328.60, 1,856,228.10 and 1,018,144.60 is: 1,524,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,328.60 : 1,856,228.10 = 1,018,144.60 : x
  2. Step 2: Convert to fraction form
    1,239,328.60/1,856,228.10 = 1,018,144.60/x
  3. Step 3: Cross multiply
    1,239,328.60x = 1,856,228.10 × 1,018,144.60
  4. Step 4: Simplify right side
    1,239,328.60x = 1,889,908,616,383.26
  5. Step 5: Solve for x
    x = 1,889,908,616,383.26/1,239,328.60
  6. Step 6: Final answer
    x = 1,524,945.54

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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.