Home / 1,653,074.60-2,481,069.90-978,312.20

Finding the Fourth Proportional to 1,653,074.60, 2,481,069.90 and 978,312.20

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Solution

The fourth proportional to 1,653,074.60, 2,481,069.90 and 978,312.20 is: 1,468,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,074.60 : 2,481,069.90 = 978,312.20 : x
  2. Step 2: Convert to fraction form
    1,653,074.60/2,481,069.90 = 978,312.20/x
  3. Step 3: Cross multiply
    1,653,074.60x = 2,481,069.90 × 978,312.20
  4. Step 4: Simplify right side
    1,653,074.60x = 2,427,260,952,222.78
  5. Step 5: Solve for x
    x = 2,427,260,952,222.78/1,653,074.60
  6. Step 6: Final answer
    x = 1,468,331.16

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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.