Home / 1,423,620.84-1,964,596.98-779,041.20

Finding the Fourth Proportional to 1,423,620.84, 1,964,596.98 and 779,041.20

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Solution

The fourth proportional to 1,423,620.84, 1,964,596.98 and 779,041.20 is: 1,075,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,620.84 : 1,964,596.98 = 779,041.20 : x
  2. Step 2: Convert to fraction form
    1,423,620.84/1,964,596.98 = 779,041.20/x
  3. Step 3: Cross multiply
    1,423,620.84x = 1,964,596.98 × 779,041.20
  4. Step 4: Simplify right side
    1,423,620.84x = 1,530,501,988,815.58
  5. Step 5: Solve for x
    x = 1,530,501,988,815.58/1,423,620.84
  6. Step 6: Final answer
    x = 1,075,076.98

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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.