Home / 929,166.02-1,393,453.77-631,559.06

Finding the Fourth Proportional to 929,166.02, 1,393,453.77 and 631,559.06

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Solution

The fourth proportional to 929,166.02, 1,393,453.77 and 631,559.06 is: 947,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,166.02 : 1,393,453.77 = 631,559.06 : x
  2. Step 2: Convert to fraction form
    929,166.02/1,393,453.77 = 631,559.06/x
  3. Step 3: Cross multiply
    929,166.02x = 1,393,453.77 × 631,559.06
  4. Step 4: Simplify right side
    929,166.02x = 880,048,353,134.66
  5. Step 5: Solve for x
    x = 880,048,353,134.66/929,166.02
  6. Step 6: Final answer
    x = 947,137.90

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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.