Home / 989,251.20-1,483,876.80-847,533.60

Finding the Fourth Proportional to 989,251.20, 1,483,876.80 and 847,533.60

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Solution

The fourth proportional to 989,251.20, 1,483,876.80 and 847,533.60 is: 1,271,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,251.20 : 1,483,876.80 = 847,533.60 : x
  2. Step 2: Convert to fraction form
    989,251.20/1,483,876.80 = 847,533.60/x
  3. Step 3: Cross multiply
    989,251.20x = 1,483,876.80 × 847,533.60
  4. Step 4: Simplify right side
    989,251.20x = 1,257,635,446,260.48
  5. Step 5: Solve for x
    x = 1,257,635,446,260.48/989,251.20
  6. Step 6: Final answer
    x = 1,271,300.40

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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.