Home / 1,503,636.90-2,255,553.63-438,589.50

Finding the Fourth Proportional to 1,503,636.90, 2,255,553.63 and 438,589.50

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Solution

The fourth proportional to 1,503,636.90, 2,255,553.63 and 438,589.50 is: 657,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,636.90 : 2,255,553.63 = 438,589.50 : x
  2. Step 2: Convert to fraction form
    1,503,636.90/2,255,553.63 = 438,589.50/x
  3. Step 3: Cross multiply
    1,503,636.90x = 2,255,553.63 × 438,589.50
  4. Step 4: Simplify right side
    1,503,636.90x = 989,262,138,804.89
  5. Step 5: Solve for x
    x = 989,262,138,804.89/1,503,636.90
  6. Step 6: Final answer
    x = 657,912.92

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1.5x scale

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.