Home / 1,403,315.78-2,105,289.68-443,829.50

Finding the Fourth Proportional to 1,403,315.78, 2,105,289.68 and 443,829.50

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Solution

The fourth proportional to 1,403,315.78, 2,105,289.68 and 443,829.50 is: 665,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,315.78 : 2,105,289.68 = 443,829.50 : x
  2. Step 2: Convert to fraction form
    1,403,315.78/2,105,289.68 = 443,829.50/x
  3. Step 3: Cross multiply
    1,403,315.78x = 2,105,289.68 × 443,829.50
  4. Step 4: Simplify right side
    1,403,315.78x = 934,389,666,029.56
  5. Step 5: Solve for x
    x = 934,389,666,029.56/1,403,315.78
  6. Step 6: Final answer
    x = 665,844.20

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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.