Home / 1,258,313.09-1,887,010.36-459,358.25

Finding the Fourth Proportional to 1,258,313.09, 1,887,010.36 and 459,358.25

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Solution

The fourth proportional to 1,258,313.09, 1,887,010.36 and 459,358.25 is: 688,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,313.09 : 1,887,010.36 = 459,358.25 : x
  2. Step 2: Convert to fraction form
    1,258,313.09/1,887,010.36 = 459,358.25/x
  3. Step 3: Cross multiply
    1,258,313.09x = 1,887,010.36 × 459,358.25
  4. Step 4: Simplify right side
    1,258,313.09x = 866,813,766,118.02
  5. Step 5: Solve for x
    x = 866,813,766,118.02/1,258,313.09
  6. Step 6: Final answer
    x = 688,869.71

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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.