Home / 1,231,939.40-1,846,526.70-699,715.40

Finding the Fourth Proportional to 1,231,939.40, 1,846,526.70 and 699,715.40

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Solution

The fourth proportional to 1,231,939.40, 1,846,526.70 and 699,715.40 is: 1,048,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,939.40 : 1,846,526.70 = 699,715.40 : x
  2. Step 2: Convert to fraction form
    1,231,939.40/1,846,526.70 = 699,715.40/x
  3. Step 3: Cross multiply
    1,231,939.40x = 1,846,526.70 × 699,715.40
  4. Step 4: Simplify right side
    1,231,939.40x = 1,292,043,168,501.18
  5. Step 5: Solve for x
    x = 1,292,043,168,501.18/1,231,939.40
  6. Step 6: Final answer
    x = 1,048,787.93

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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.