Home / 1,461,185.55-2,190,302.10-663,039.90

Finding the Fourth Proportional to 1,461,185.55, 2,190,302.10 and 663,039.90

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Solution

The fourth proportional to 1,461,185.55, 2,190,302.10 and 663,039.90 is: 993,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,185.55 : 2,190,302.10 = 663,039.90 : x
  2. Step 2: Convert to fraction form
    1,461,185.55/2,190,302.10 = 663,039.90/x
  3. Step 3: Cross multiply
    1,461,185.55x = 2,190,302.10 × 663,039.90
  4. Step 4: Simplify right side
    1,461,185.55x = 1,452,257,685,353.79
  5. Step 5: Solve for x
    x = 1,452,257,685,353.79/1,461,185.55
  6. Step 6: Final answer
    x = 993,889.99

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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.