Home / 1,258,979.60-1,888,656.89-449,301.17

Finding the Fourth Proportional to 1,258,979.60, 1,888,656.89 and 449,301.17

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Solution

The fourth proportional to 1,258,979.60, 1,888,656.89 and 449,301.17 is: 674,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,979.60 : 1,888,656.89 = 449,301.17 : x
  2. Step 2: Convert to fraction form
    1,258,979.60/1,888,656.89 = 449,301.17/x
  3. Step 3: Cross multiply
    1,258,979.60x = 1,888,656.89 × 449,301.17
  4. Step 4: Simplify right side
    1,258,979.60x = 848,575,738,715.77
  5. Step 5: Solve for x
    x = 848,575,738,715.77/1,258,979.60
  6. Step 6: Final answer
    x = 674,018.66

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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.