Home / 1,119,013.24-1,678,686.64-399,298.84

Finding the Fourth Proportional to 1,119,013.24, 1,678,686.64 and 399,298.84

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Solution

The fourth proportional to 1,119,013.24, 1,678,686.64 and 399,298.84 is: 599,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,013.24 : 1,678,686.64 = 399,298.84 : x
  2. Step 2: Convert to fraction form
    1,119,013.24/1,678,686.64 = 399,298.84/x
  3. Step 3: Cross multiply
    1,119,013.24x = 1,678,686.64 × 399,298.84
  4. Step 4: Simplify right side
    1,119,013.24x = 670,297,628,075.50
  5. Step 5: Solve for x
    x = 670,297,628,075.50/1,119,013.24
  6. Step 6: Final answer
    x = 599,007.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.