Home / 1,520,384.34-2,283,528.96-1,119,441.63

Finding the Fourth Proportional to 1,520,384.34, 2,283,528.96 and 1,119,441.63

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Solution

The fourth proportional to 1,520,384.34, 2,283,528.96 and 1,119,441.63 is: 1,681,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,384.34 : 2,283,528.96 = 1,119,441.63 : x
  2. Step 2: Convert to fraction form
    1,520,384.34/2,283,528.96 = 1,119,441.63/x
  3. Step 3: Cross multiply
    1,520,384.34x = 2,283,528.96 × 1,119,441.63
  4. Step 4: Simplify right side
    1,520,384.34x = 2,556,277,381,134.60
  5. Step 5: Solve for x
    x = 2,556,277,381,134.60/1,520,384.34
  6. Step 6: Final answer
    x = 1,681,336.30

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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.