Home / 1,545,340.70-2,318,011.05-978,470.30

Finding the Fourth Proportional to 1,545,340.70, 2,318,011.05 and 978,470.30

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Solution

The fourth proportional to 1,545,340.70, 2,318,011.05 and 978,470.30 is: 1,467,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,340.70 : 2,318,011.05 = 978,470.30 : x
  2. Step 2: Convert to fraction form
    1,545,340.70/2,318,011.05 = 978,470.30/x
  3. Step 3: Cross multiply
    1,545,340.70x = 2,318,011.05 × 978,470.30
  4. Step 4: Simplify right side
    1,545,340.70x = 2,268,104,967,496.82
  5. Step 5: Solve for x
    x = 2,268,104,967,496.82/1,545,340.70
  6. Step 6: Final answer
    x = 1,467,705.45

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Similar ratio
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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.