Home / 1,049,285.40-1,575,512.10-838,296.60

Finding the Fourth Proportional to 1,049,285.40, 1,575,512.10 and 838,296.60

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Solution

The fourth proportional to 1,049,285.40, 1,575,512.10 and 838,296.60 is: 1,258,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,285.40 : 1,575,512.10 = 838,296.60 : x
  2. Step 2: Convert to fraction form
    1,049,285.40/1,575,512.10 = 838,296.60/x
  3. Step 3: Cross multiply
    1,049,285.40x = 1,575,512.10 × 838,296.60
  4. Step 4: Simplify right side
    1,049,285.40x = 1,320,746,436,688.86
  5. Step 5: Solve for x
    x = 1,320,746,436,688.86/1,049,285.40
  6. Step 6: Final answer
    x = 1,258,710.39

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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.