Home / 1,437,237.16-2,155,855.74-439,835.56

Finding the Fourth Proportional to 1,437,237.16, 2,155,855.74 and 439,835.56

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Solution

The fourth proportional to 1,437,237.16, 2,155,855.74 and 439,835.56 is: 659,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,237.16 : 2,155,855.74 = 439,835.56 : x
  2. Step 2: Convert to fraction form
    1,437,237.16/2,155,855.74 = 439,835.56/x
  3. Step 3: Cross multiply
    1,437,237.16x = 2,155,855.74 × 439,835.56
  4. Step 4: Simplify right side
    1,437,237.16x = 948,222,016,682.12
  5. Step 5: Solve for x
    x = 948,222,016,682.12/1,437,237.16
  6. Step 6: Final answer
    x = 659,753.34

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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.