Home / 1,281,775.30-1,922,772.72-335,144.50

Finding the Fourth Proportional to 1,281,775.30, 1,922,772.72 and 335,144.50

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Solution

The fourth proportional to 1,281,775.30, 1,922,772.72 and 335,144.50 is: 502,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,775.30 : 1,922,772.72 = 335,144.50 : x
  2. Step 2: Convert to fraction form
    1,281,775.30/1,922,772.72 = 335,144.50/x
  3. Step 3: Cross multiply
    1,281,775.30x = 1,922,772.72 × 335,144.50
  4. Step 4: Simplify right side
    1,281,775.30x = 644,406,701,858.04
  5. Step 5: Solve for x
    x = 644,406,701,858.04/1,281,775.30
  6. Step 6: Final answer
    x = 502,745.45

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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.