Home / 1,379,872-2,069,817.44-526,713.60

Finding the Fourth Proportional to 1,379,872, 2,069,817.44 and 526,713.60

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Solution

The fourth proportional to 1,379,872, 2,069,817.44 and 526,713.60 is: 790,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,872 : 2,069,817.44 = 526,713.60 : x
  2. Step 2: Convert to fraction form
    1,379,872/2,069,817.44 = 526,713.60/x
  3. Step 3: Cross multiply
    1,379,872x = 2,069,817.44 × 526,713.60
  4. Step 4: Simplify right side
    1,379,872x = 1,090,200,995,165.18
  5. Step 5: Solve for x
    x = 1,090,200,995,165.18/1,379,872
  6. Step 6: Final answer
    x = 790,074.00

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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.