Home / 1,431,685.10-2,147,478.45-366,736.40

Finding the Fourth Proportional to 1,431,685.10, 2,147,478.45 and 366,736.40

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Solution

The fourth proportional to 1,431,685.10, 2,147,478.45 and 366,736.40 is: 550,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,685.10 : 2,147,478.45 = 366,736.40 : x
  2. Step 2: Convert to fraction form
    1,431,685.10/2,147,478.45 = 366,736.40/x
  3. Step 3: Cross multiply
    1,431,685.10x = 2,147,478.45 × 366,736.40
  4. Step 4: Simplify right side
    1,431,685.10x = 787,558,515,830.58
  5. Step 5: Solve for x
    x = 787,558,515,830.58/1,431,685.10
  6. Step 6: Final answer
    x = 550,092.00

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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.