Home / 1,112,897.80-1,669,395.30-364,943.80

Finding the Fourth Proportional to 1,112,897.80, 1,669,395.30 and 364,943.80

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Solution

The fourth proportional to 1,112,897.80, 1,669,395.30 and 364,943.80 is: 547,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,897.80 : 1,669,395.30 = 364,943.80 : x
  2. Step 2: Convert to fraction form
    1,112,897.80/1,669,395.30 = 364,943.80/x
  3. Step 3: Cross multiply
    1,112,897.80x = 1,669,395.30 × 364,943.80
  4. Step 4: Simplify right side
    1,112,897.80x = 609,235,464,484.14
  5. Step 5: Solve for x
    x = 609,235,464,484.14/1,112,897.80
  6. Step 6: Final answer
    x = 547,431.64

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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.