Home / 1,503,513-2,255,346.09-438,635.43

Finding the Fourth Proportional to 1,503,513, 2,255,346.09 and 438,635.43

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Solution

The fourth proportional to 1,503,513, 2,255,346.09 and 438,635.43 is: 657,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,513 : 2,255,346.09 = 438,635.43 : x
  2. Step 2: Convert to fraction form
    1,503,513/2,255,346.09 = 438,635.43/x
  3. Step 3: Cross multiply
    1,503,513x = 2,255,346.09 × 438,635.43
  4. Step 4: Simplify right side
    1,503,513x = 989,274,701,985.97
  5. Step 5: Solve for x
    x = 989,274,701,985.97/1,503,513
  6. Step 6: Final answer
    x = 657,975.49

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Double scale
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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.