Home / 1,147,477.10-1,583,509.63-631,219.88

Finding the Fourth Proportional to 1,147,477.10, 1,583,509.63 and 631,219.88

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Solution

The fourth proportional to 1,147,477.10, 1,583,509.63 and 631,219.88 is: 871,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,477.10 : 1,583,509.63 = 631,219.88 : x
  2. Step 2: Convert to fraction form
    1,147,477.10/1,583,509.63 = 631,219.88/x
  3. Step 3: Cross multiply
    1,147,477.10x = 1,583,509.63 × 631,219.88
  4. Step 4: Simplify right side
    1,147,477.10x = 999,542,758,627.44
  5. Step 5: Solve for x
    x = 999,542,758,627.44/1,147,477.10
  6. Step 6: Final answer
    x = 871,078.61

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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.