Home / 1,146,585.20-1,719,229.80-436,636.40

Finding the Fourth Proportional to 1,146,585.20, 1,719,229.80 and 436,636.40

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Solution

The fourth proportional to 1,146,585.20, 1,719,229.80 and 436,636.40 is: 654,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,585.20 : 1,719,229.80 = 436,636.40 : x
  2. Step 2: Convert to fraction form
    1,146,585.20/1,719,229.80 = 436,636.40/x
  3. Step 3: Cross multiply
    1,146,585.20x = 1,719,229.80 × 436,636.40
  4. Step 4: Simplify right side
    1,146,585.20x = 750,678,310,644.72
  5. Step 5: Solve for x
    x = 750,678,310,644.72/1,146,585.20
  6. Step 6: Final answer
    x = 654,707.83

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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.