Home / 1,604,387.45-2,214,072.09-879,219.56

Finding the Fourth Proportional to 1,604,387.45, 2,214,072.09 and 879,219.56

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Solution

The fourth proportional to 1,604,387.45, 2,214,072.09 and 879,219.56 is: 1,213,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,387.45 : 2,214,072.09 = 879,219.56 : x
  2. Step 2: Convert to fraction form
    1,604,387.45/2,214,072.09 = 879,219.56/x
  3. Step 3: Cross multiply
    1,604,387.45x = 2,214,072.09 × 879,219.56
  4. Step 4: Simplify right side
    1,604,387.45x = 1,946,655,494,313.26
  5. Step 5: Solve for x
    x = 1,946,655,494,313.26/1,604,387.45
  6. Step 6: Final answer
    x = 1,213,332.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.