Home / 672,502.08-1,008,647.40-186,069.54

Finding the Fourth Proportional to 672,502.08, 1,008,647.40 and 186,069.54

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Solution

The fourth proportional to 672,502.08, 1,008,647.40 and 186,069.54 is: 279,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,502.08 : 1,008,647.40 = 186,069.54 : x
  2. Step 2: Convert to fraction form
    672,502.08/1,008,647.40 = 186,069.54/x
  3. Step 3: Cross multiply
    672,502.08x = 1,008,647.40 × 186,069.54
  4. Step 4: Simplify right side
    672,502.08x = 187,678,557,740.20
  5. Step 5: Solve for x
    x = 187,678,557,740.20/672,502.08
  6. Step 6: Final answer
    x = 279,075.06

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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.