Home / 1,178,685.57-1,767,074.79-368,653.22

Finding the Fourth Proportional to 1,178,685.57, 1,767,074.79 and 368,653.22

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Solution

The fourth proportional to 1,178,685.57, 1,767,074.79 and 368,653.22 is: 552,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,685.57 : 1,767,074.79 = 368,653.22 : x
  2. Step 2: Convert to fraction form
    1,178,685.57/1,767,074.79 = 368,653.22/x
  3. Step 3: Cross multiply
    1,178,685.57x = 1,767,074.79 × 368,653.22
  4. Step 4: Simplify right side
    1,178,685.57x = 651,437,818,354.05
  5. Step 5: Solve for x
    x = 651,437,818,354.05/1,178,685.57
  6. Step 6: Final answer
    x = 552,681.59

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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.