Home / 1,258,588.32-1,888,155.84-459,868.56

Finding the Fourth Proportional to 1,258,588.32, 1,888,155.84 and 459,868.56

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Solution

The fourth proportional to 1,258,588.32, 1,888,155.84 and 459,868.56 is: 689,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,588.32 : 1,888,155.84 = 459,868.56 : x
  2. Step 2: Convert to fraction form
    1,258,588.32/1,888,155.84 = 459,868.56/x
  3. Step 3: Cross multiply
    1,258,588.32x = 1,888,155.84 × 459,868.56
  4. Step 4: Simplify right side
    1,258,588.32x = 868,303,507,196.39
  5. Step 5: Solve for x
    x = 868,303,507,196.39/1,258,588.32
  6. Step 6: Final answer
    x = 689,902.72

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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.