Home / 1,208,822.95-1,812,610.19-355,783.60

Finding the Fourth Proportional to 1,208,822.95, 1,812,610.19 and 355,783.60

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Solution

The fourth proportional to 1,208,822.95, 1,812,610.19 and 355,783.60 is: 533,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,822.95 : 1,812,610.19 = 355,783.60 : x
  2. Step 2: Convert to fraction form
    1,208,822.95/1,812,610.19 = 355,783.60/x
  3. Step 3: Cross multiply
    1,208,822.95x = 1,812,610.19 × 355,783.60
  4. Step 4: Simplify right side
    1,208,822.95x = 644,896,977,015.97
  5. Step 5: Solve for x
    x = 644,896,977,015.97/1,208,822.95
  6. Step 6: Final answer
    x = 533,491.67

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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.