Home / 1,453,647.11-2,180,298.94-388,771.70

Finding the Fourth Proportional to 1,453,647.11, 2,180,298.94 and 388,771.70

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Solution

The fourth proportional to 1,453,647.11, 2,180,298.94 and 388,771.70 is: 583,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,647.11 : 2,180,298.94 = 388,771.70 : x
  2. Step 2: Convert to fraction form
    1,453,647.11/2,180,298.94 = 388,771.70/x
  3. Step 3: Cross multiply
    1,453,647.11x = 2,180,298.94 × 388,771.70
  4. Step 4: Simplify right side
    1,453,647.11x = 847,638,525,412.00
  5. Step 5: Solve for x
    x = 847,638,525,412.00/1,453,647.11
  6. Step 6: Final answer
    x = 583,111.62

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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.