Home / 1,503,388.36-2,255,414.24-438,513.76

Finding the Fourth Proportional to 1,503,388.36, 2,255,414.24 and 438,513.76

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Solution

The fourth proportional to 1,503,388.36, 2,255,414.24 and 438,513.76 is: 657,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,388.36 : 2,255,414.24 = 438,513.76 : x
  2. Step 2: Convert to fraction form
    1,503,388.36/2,255,414.24 = 438,513.76/x
  3. Step 3: Cross multiply
    1,503,388.36x = 2,255,414.24 × 438,513.76
  4. Step 4: Simplify right side
    1,503,388.36x = 989,030,176,547.37
  5. Step 5: Solve for x
    x = 989,030,176,547.37/1,503,388.36
  6. Step 6: Final answer
    x = 657,867.39

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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.