Home / 1,456,309.80-2,184,464.70-980,418.60

Finding the Fourth Proportional to 1,456,309.80, 2,184,464.70 and 980,418.60

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Solution

The fourth proportional to 1,456,309.80, 2,184,464.70 and 980,418.60 is: 1,470,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,309.80 : 2,184,464.70 = 980,418.60 : x
  2. Step 2: Convert to fraction form
    1,456,309.80/2,184,464.70 = 980,418.60/x
  3. Step 3: Cross multiply
    1,456,309.80x = 2,184,464.70 × 980,418.60
  4. Step 4: Simplify right side
    1,456,309.80x = 2,141,689,822,923.42
  5. Step 5: Solve for x
    x = 2,141,689,822,923.42/1,456,309.80
  6. Step 6: Final answer
    x = 1,470,627.90

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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.