Home / 1,456,126.70-2,183,671.65-657,790.70

Finding the Fourth Proportional to 1,456,126.70, 2,183,671.65 and 657,790.70

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Solution

The fourth proportional to 1,456,126.70, 2,183,671.65 and 657,790.70 is: 986,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,126.70 : 2,183,671.65 = 657,790.70 : x
  2. Step 2: Convert to fraction form
    1,456,126.70/2,183,671.65 = 657,790.70/x
  3. Step 3: Cross multiply
    1,456,126.70x = 2,183,671.65 × 657,790.70
  4. Step 4: Simplify right side
    1,456,126.70x = 1,436,398,903,223.65
  5. Step 5: Solve for x
    x = 1,436,398,903,223.65/1,456,126.70
  6. Step 6: Final answer
    x = 986,451.87

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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.