Home / 1,632,147.20-2,448,220.80-993,478.40

Finding the Fourth Proportional to 1,632,147.20, 2,448,220.80 and 993,478.40

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Solution

The fourth proportional to 1,632,147.20, 2,448,220.80 and 993,478.40 is: 1,490,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,147.20 : 2,448,220.80 = 993,478.40 : x
  2. Step 2: Convert to fraction form
    1,632,147.20/2,448,220.80 = 993,478.40/x
  3. Step 3: Cross multiply
    1,632,147.20x = 2,448,220.80 × 993,478.40
  4. Step 4: Simplify right side
    1,632,147.20x = 2,432,254,483,230.72
  5. Step 5: Solve for x
    x = 2,432,254,483,230.72/1,632,147.20
  6. Step 6: Final answer
    x = 1,490,217.60

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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.