Home / 1,447,125.94-1,997,948.60-931,119.76

Finding the Fourth Proportional to 1,447,125.94, 1,997,948.60 and 931,119.76

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Solution

The fourth proportional to 1,447,125.94, 1,997,948.60 and 931,119.76 is: 1,285,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,125.94 : 1,997,948.60 = 931,119.76 : x
  2. Step 2: Convert to fraction form
    1,447,125.94/1,997,948.60 = 931,119.76/x
  3. Step 3: Cross multiply
    1,447,125.94x = 1,997,948.60 × 931,119.76
  4. Step 4: Simplify right side
    1,447,125.94x = 1,860,329,420,924.34
  5. Step 5: Solve for x
    x = 1,860,329,420,924.34/1,447,125.94
  6. Step 6: Final answer
    x = 1,285,533.88

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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.