Home / 1,483,677.10-2,225,515.65-978,808.15

Finding the Fourth Proportional to 1,483,677.10, 2,225,515.65 and 978,808.15

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Solution

The fourth proportional to 1,483,677.10, 2,225,515.65 and 978,808.15 is: 1,468,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,677.10 : 2,225,515.65 = 978,808.15 : x
  2. Step 2: Convert to fraction form
    1,483,677.10/2,225,515.65 = 978,808.15/x
  3. Step 3: Cross multiply
    1,483,677.10x = 2,225,515.65 × 978,808.15
  4. Step 4: Simplify right side
    1,483,677.10x = 2,178,352,856,172.55
  5. Step 5: Solve for x
    x = 2,178,352,856,172.55/1,483,677.10
  6. Step 6: Final answer
    x = 1,468,212.23

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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.