Home / 1,628,931.72-2,247,923.16-903,889.92

Finding the Fourth Proportional to 1,628,931.72, 2,247,923.16 and 903,889.92

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Solution

The fourth proportional to 1,628,931.72, 2,247,923.16 and 903,889.92 is: 1,247,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,931.72 : 2,247,923.16 = 903,889.92 : x
  2. Step 2: Convert to fraction form
    1,628,931.72/2,247,923.16 = 903,889.92/x
  3. Step 3: Cross multiply
    1,628,931.72x = 2,247,923.16 × 903,889.92
  4. Step 4: Simplify right side
    1,628,931.72x = 2,031,875,085,258.55
  5. Step 5: Solve for x
    x = 2,031,875,085,258.55/1,628,931.72
  6. Step 6: Final answer
    x = 1,247,366.64

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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.