Home / 1,409,813.69-2,114,802.05-398,850.98

Finding the Fourth Proportional to 1,409,813.69, 2,114,802.05 and 398,850.98

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Solution

The fourth proportional to 1,409,813.69, 2,114,802.05 and 398,850.98 is: 598,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,813.69 : 2,114,802.05 = 398,850.98 : x
  2. Step 2: Convert to fraction form
    1,409,813.69/2,114,802.05 = 398,850.98/x
  3. Step 3: Cross multiply
    1,409,813.69x = 2,114,802.05 × 398,850.98
  4. Step 4: Simplify right side
    1,409,813.69x = 843,490,857,580.24
  5. Step 5: Solve for x
    x = 843,490,857,580.24/1,409,813.69
  6. Step 6: Final answer
    x = 598,299.52

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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.