Home / 1,258,678.22-1,888,299.35-459,939.35

Finding the Fourth Proportional to 1,258,678.22, 1,888,299.35 and 459,939.35

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Solution

The fourth proportional to 1,258,678.22, 1,888,299.35 and 459,939.35 is: 690,012.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,678.22 : 1,888,299.35 = 459,939.35 : x
  2. Step 2: Convert to fraction form
    1,258,678.22/1,888,299.35 = 459,939.35/x
  3. Step 3: Cross multiply
    1,258,678.22x = 1,888,299.35 × 459,939.35
  4. Step 4: Simplify right side
    1,258,678.22x = 868,503,163,903.23
  5. Step 5: Solve for x
    x = 868,503,163,903.23/1,258,678.22
  6. Step 6: Final answer
    x = 690,012.07

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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.