Home / 1,099,312.30-1,649,260.05-389,266.30

Finding the Fourth Proportional to 1,099,312.30, 1,649,260.05 and 389,266.30

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Solution

The fourth proportional to 1,099,312.30, 1,649,260.05 and 389,266.30 is: 584,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,312.30 : 1,649,260.05 = 389,266.30 : x
  2. Step 2: Convert to fraction form
    1,099,312.30/1,649,260.05 = 389,266.30/x
  3. Step 3: Cross multiply
    1,099,312.30x = 1,649,260.05 × 389,266.30
  4. Step 4: Simplify right side
    1,099,312.30x = 642,001,357,401.32
  5. Step 5: Solve for x
    x = 642,001,357,401.32/1,099,312.30
  6. Step 6: Final answer
    x = 584,002.71

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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.