Home / 1,638,225.29-2,455,407.88-738,613.77

Finding the Fourth Proportional to 1,638,225.29, 2,455,407.88 and 738,613.77

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Solution

The fourth proportional to 1,638,225.29, 2,455,407.88 and 738,613.77 is: 1,107,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,225.29 : 2,455,407.88 = 738,613.77 : x
  2. Step 2: Convert to fraction form
    1,638,225.29/2,455,407.88 = 738,613.77/x
  3. Step 3: Cross multiply
    1,638,225.29x = 2,455,407.88 × 738,613.77
  4. Step 4: Simplify right side
    1,638,225.29x = 1,813,598,073,891.86
  5. Step 5: Solve for x
    x = 1,813,598,073,891.86/1,638,225.29
  6. Step 6: Final answer
    x = 1,107,050.47

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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.