Home / 1,423,705.38-1,964,713.50-779,125.74

Finding the Fourth Proportional to 1,423,705.38, 1,964,713.50 and 779,125.74

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Solution

The fourth proportional to 1,423,705.38, 1,964,713.50 and 779,125.74 is: 1,075,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,705.38 : 1,964,713.50 = 779,125.74 : x
  2. Step 2: Convert to fraction form
    1,423,705.38/1,964,713.50 = 779,125.74/x
  3. Step 3: Cross multiply
    1,423,705.38x = 1,964,713.50 × 779,125.74
  4. Step 4: Simplify right side
    1,423,705.38x = 1,530,758,859,575.49
  5. Step 5: Solve for x
    x = 1,530,758,859,575.49/1,423,705.38
  6. Step 6: Final answer
    x = 1,075,193.56

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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.