Home / 1,670,436.90-2,505,655.35-1,245,284.10

Finding the Fourth Proportional to 1,670,436.90, 2,505,655.35 and 1,245,284.10

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Solution

The fourth proportional to 1,670,436.90, 2,505,655.35 and 1,245,284.10 is: 1,867,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,436.90 : 2,505,655.35 = 1,245,284.10 : x
  2. Step 2: Convert to fraction form
    1,670,436.90/2,505,655.35 = 1,245,284.10/x
  3. Step 3: Cross multiply
    1,670,436.90x = 2,505,655.35 × 1,245,284.10
  4. Step 4: Simplify right side
    1,670,436.90x = 3,120,252,767,434.94
  5. Step 5: Solve for x
    x = 3,120,252,767,434.94/1,670,436.90
  6. Step 6: Final answer
    x = 1,867,926.15

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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.