Home / 1,087,948.45-1,631,923.08-413,874.01

Finding the Fourth Proportional to 1,087,948.45, 1,631,923.08 and 413,874.01

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Solution

The fourth proportional to 1,087,948.45, 1,631,923.08 and 413,874.01 is: 620,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,948.45 : 1,631,923.08 = 413,874.01 : x
  2. Step 2: Convert to fraction form
    1,087,948.45/1,631,923.08 = 413,874.01/x
  3. Step 3: Cross multiply
    1,087,948.45x = 1,631,923.08 × 413,874.01
  4. Step 4: Simplify right side
    1,087,948.45x = 675,410,549,131.15
  5. Step 5: Solve for x
    x = 675,410,549,131.15/1,087,948.45
  6. Step 6: Final answer
    x = 620,811.17

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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.