Home / 1,008,155.64-1,391,938.38-705,824.76

Finding the Fourth Proportional to 1,008,155.64, 1,391,938.38 and 705,824.76

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Solution

The fourth proportional to 1,008,155.64, 1,391,938.38 and 705,824.76 is: 974,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,155.64 : 1,391,938.38 = 705,824.76 : x
  2. Step 2: Convert to fraction form
    1,008,155.64/1,391,938.38 = 705,824.76/x
  3. Step 3: Cross multiply
    1,008,155.64x = 1,391,938.38 × 705,824.76
  4. Step 4: Simplify right side
    1,008,155.64x = 982,464,572,998.29
  5. Step 5: Solve for x
    x = 982,464,572,998.29/1,008,155.64
  6. Step 6: Final answer
    x = 974,516.77

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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.