Home / 1,293,903.92-1,785,563.70-720,931.70

Finding the Fourth Proportional to 1,293,903.92, 1,785,563.70 and 720,931.70

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Solution

The fourth proportional to 1,293,903.92, 1,785,563.70 and 720,931.70 is: 994,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,903.92 : 1,785,563.70 = 720,931.70 : x
  2. Step 2: Convert to fraction form
    1,293,903.92/1,785,563.70 = 720,931.70/x
  3. Step 3: Cross multiply
    1,293,903.92x = 1,785,563.70 × 720,931.70
  4. Step 4: Simplify right side
    1,293,903.92x = 1,287,269,473,699.29
  5. Step 5: Solve for x
    x = 1,287,269,473,699.29/1,293,903.92
  6. Step 6: Final answer
    x = 994,872.54

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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.