Home / 1,423,342.98-1,964,195.82-778,753.89

Finding the Fourth Proportional to 1,423,342.98, 1,964,195.82 and 778,753.89

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Solution

The fourth proportional to 1,423,342.98, 1,964,195.82 and 778,753.89 is: 1,074,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,342.98 : 1,964,195.82 = 778,753.89 : x
  2. Step 2: Convert to fraction form
    1,423,342.98/1,964,195.82 = 778,753.89/x
  3. Step 3: Cross multiply
    1,423,342.98x = 1,964,195.82 × 778,753.89
  4. Step 4: Simplify right side
    1,423,342.98x = 1,529,625,135,546.74
  5. Step 5: Solve for x
    x = 1,529,625,135,546.74/1,423,342.98
  6. Step 6: Final answer
    x = 1,074,670.80

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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.