Home / 1,279,428.16-1,763,271.84-848,948.80

Finding the Fourth Proportional to 1,279,428.16, 1,763,271.84 and 848,948.80

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Solution

The fourth proportional to 1,279,428.16, 1,763,271.84 and 848,948.80 is: 1,169,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,428.16 : 1,763,271.84 = 848,948.80 : x
  2. Step 2: Convert to fraction form
    1,279,428.16/1,763,271.84 = 848,948.80/x
  3. Step 3: Cross multiply
    1,279,428.16x = 1,763,271.84 × 848,948.80
  4. Step 4: Simplify right side
    1,279,428.16x = 1,496,927,512,641.79
  5. Step 5: Solve for x
    x = 1,496,927,512,641.79/1,279,428.16
  6. Step 6: Final answer
    x = 1,169,997.32

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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.