Home / 1,278,024.84-1,763,680.20-705,064.80

Finding the Fourth Proportional to 1,278,024.84, 1,763,680.20 and 705,064.80

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Solution

The fourth proportional to 1,278,024.84, 1,763,680.20 and 705,064.80 is: 972,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,024.84 : 1,763,680.20 = 705,064.80 : x
  2. Step 2: Convert to fraction form
    1,278,024.84/1,763,680.20 = 705,064.80/x
  3. Step 3: Cross multiply
    1,278,024.84x = 1,763,680.20 × 705,064.80
  4. Step 4: Simplify right side
    1,278,024.84x = 1,243,508,827,476.96
  5. Step 5: Solve for x
    x = 1,243,508,827,476.96/1,278,024.84
  6. Step 6: Final answer
    x = 972,992.69

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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.