Home / 1,340,176.80-2,010,362.40-806,548.80

Finding the Fourth Proportional to 1,340,176.80, 2,010,362.40 and 806,548.80

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Solution

The fourth proportional to 1,340,176.80, 2,010,362.40 and 806,548.80 is: 1,209,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,176.80 : 2,010,362.40 = 806,548.80 : x
  2. Step 2: Convert to fraction form
    1,340,176.80/2,010,362.40 = 806,548.80/x
  3. Step 3: Cross multiply
    1,340,176.80x = 2,010,362.40 × 806,548.80
  4. Step 4: Simplify right side
    1,340,176.80x = 1,621,455,381,285.12
  5. Step 5: Solve for x
    x = 1,621,455,381,285.12/1,340,176.80
  6. Step 6: Final answer
    x = 1,209,881.70

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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.