Home / 1,105,941.37-1,656,254.85-631,187.41

Finding the Fourth Proportional to 1,105,941.37, 1,656,254.85 and 631,187.41

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Solution

The fourth proportional to 1,105,941.37, 1,656,254.85 and 631,187.41 is: 945,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,941.37 : 1,656,254.85 = 631,187.41 : x
  2. Step 2: Convert to fraction form
    1,105,941.37/1,656,254.85 = 631,187.41/x
  3. Step 3: Cross multiply
    1,105,941.37x = 1,656,254.85 × 631,187.41
  4. Step 4: Simplify right side
    1,105,941.37x = 1,045,407,209,071.44
  5. Step 5: Solve for x
    x = 1,045,407,209,071.44/1,105,941.37
  6. Step 6: Final answer
    x = 945,264.58

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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.