Home / 1,520,680.34-2,278,501.72-1,069,195.36

Finding the Fourth Proportional to 1,520,680.34, 2,278,501.72 and 1,069,195.36

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Solution

The fourth proportional to 1,520,680.34, 2,278,501.72 and 1,069,195.36 is: 1,602,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,680.34 : 2,278,501.72 = 1,069,195.36 : x
  2. Step 2: Convert to fraction form
    1,520,680.34/2,278,501.72 = 1,069,195.36/x
  3. Step 3: Cross multiply
    1,520,680.34x = 2,278,501.72 × 1,069,195.36
  4. Step 4: Simplify right side
    1,520,680.34x = 2,436,163,466,776.02
  5. Step 5: Solve for x
    x = 2,436,163,466,776.02/1,520,680.34
  6. Step 6: Final answer
    x = 1,602,022.07

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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.