Home / 1,353,038.40-2,029,556.20-554,321.38

Finding the Fourth Proportional to 1,353,038.40, 2,029,556.20 and 554,321.38

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Solution

The fourth proportional to 1,353,038.40, 2,029,556.20 and 554,321.38 is: 831,481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,038.40 : 2,029,556.20 = 554,321.38 : x
  2. Step 2: Convert to fraction form
    1,353,038.40/2,029,556.20 = 554,321.38/x
  3. Step 3: Cross multiply
    1,353,038.40x = 2,029,556.20 × 554,321.38
  4. Step 4: Simplify right side
    1,353,038.40x = 1,125,026,393,571.56
  5. Step 5: Solve for x
    x = 1,125,026,393,571.56/1,353,038.40
  6. Step 6: Final answer
    x = 831,481.50

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1.5x scale

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.