Home / 1,509,123.66-2,082,886.50-864,975.60

Finding the Fourth Proportional to 1,509,123.66, 2,082,886.50 and 864,975.60

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Solution

The fourth proportional to 1,509,123.66, 2,082,886.50 and 864,975.60 is: 1,193,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,123.66 : 2,082,886.50 = 864,975.60 : x
  2. Step 2: Convert to fraction form
    1,509,123.66/2,082,886.50 = 864,975.60/x
  3. Step 3: Cross multiply
    1,509,123.66x = 2,082,886.50 × 864,975.60
  4. Step 4: Simplify right side
    1,509,123.66x = 1,801,646,000,069.40
  5. Step 5: Solve for x
    x = 1,801,646,000,069.40/1,509,123.66
  6. Step 6: Final answer
    x = 1,193,835.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.