Home / 1,368,139.20-2,052,014.40-469,622.40

Finding the Fourth Proportional to 1,368,139.20, 2,052,014.40 and 469,622.40

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Solution

The fourth proportional to 1,368,139.20, 2,052,014.40 and 469,622.40 is: 704,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,139.20 : 2,052,014.40 = 469,622.40 : x
  2. Step 2: Convert to fraction form
    1,368,139.20/2,052,014.40 = 469,622.40/x
  3. Step 3: Cross multiply
    1,368,139.20x = 2,052,014.40 × 469,622.40
  4. Step 4: Simplify right side
    1,368,139.20x = 963,671,927,362.56
  5. Step 5: Solve for x
    x = 963,671,927,362.56/1,368,139.20
  6. Step 6: Final answer
    x = 704,366.87

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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.