Home / 1,007,485.43-1,511,224.72-408,445.18

Finding the Fourth Proportional to 1,007,485.43, 1,511,224.72 and 408,445.18

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Solution

The fourth proportional to 1,007,485.43, 1,511,224.72 and 408,445.18 is: 612,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,485.43 : 1,511,224.72 = 408,445.18 : x
  2. Step 2: Convert to fraction form
    1,007,485.43/1,511,224.72 = 408,445.18/x
  3. Step 3: Cross multiply
    1,007,485.43x = 1,511,224.72 × 408,445.18
  4. Step 4: Simplify right side
    1,007,485.43x = 617,252,447,981.68
  5. Step 5: Solve for x
    x = 617,252,447,981.68/1,007,485.43
  6. Step 6: Final answer
    x = 612,666.38

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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.