Home / 1,204,320.32-1,662,429.60-903,389.76

Finding the Fourth Proportional to 1,204,320.32, 1,662,429.60 and 903,389.76

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Solution

The fourth proportional to 1,204,320.32, 1,662,429.60 and 903,389.76 is: 1,247,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,320.32 : 1,662,429.60 = 903,389.76 : x
  2. Step 2: Convert to fraction form
    1,204,320.32/1,662,429.60 = 903,389.76/x
  3. Step 3: Cross multiply
    1,204,320.32x = 1,662,429.60 × 903,389.76
  4. Step 4: Simplify right side
    1,204,320.32x = 1,501,821,877,360.90
  5. Step 5: Solve for x
    x = 1,501,821,877,360.90/1,204,320.32
  6. Step 6: Final answer
    x = 1,247,028.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.