Home / 1,238,723.55-1,858,085.33-397,360.35

Finding the Fourth Proportional to 1,238,723.55, 1,858,085.33 and 397,360.35

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Solution

The fourth proportional to 1,238,723.55, 1,858,085.33 and 397,360.35 is: 596,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,723.55 : 1,858,085.33 = 397,360.35 : x
  2. Step 2: Convert to fraction form
    1,238,723.55/1,858,085.33 = 397,360.35/x
  3. Step 3: Cross multiply
    1,238,723.55x = 1,858,085.33 × 397,360.35
  4. Step 4: Simplify right side
    1,238,723.55x = 738,329,435,071.86
  5. Step 5: Solve for x
    x = 738,329,435,071.86/1,238,723.55
  6. Step 6: Final answer
    x = 596,040.53

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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.