Home / 1,423,654.52-1,964,643.26-779,074.74

Finding the Fourth Proportional to 1,423,654.52, 1,964,643.26 and 779,074.74

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Solution

The fourth proportional to 1,423,654.52, 1,964,643.26 and 779,074.74 is: 1,075,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,654.52 : 1,964,643.26 = 779,074.74 : x
  2. Step 2: Convert to fraction form
    1,423,654.52/1,964,643.26 = 779,074.74/x
  3. Step 3: Cross multiply
    1,423,654.52x = 1,964,643.26 × 779,074.74
  4. Step 4: Simplify right side
    1,423,654.52x = 1,530,603,933,081.88
  5. Step 5: Solve for x
    x = 1,530,603,933,081.88/1,423,654.52
  6. Step 6: Final answer
    x = 1,075,123.15

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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.