Home / 1,478,657.40-2,219,022.90-637,812.60

Finding the Fourth Proportional to 1,478,657.40, 2,219,022.90 and 637,812.60

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Solution

The fourth proportional to 1,478,657.40, 2,219,022.90 and 637,812.60 is: 957,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,657.40 : 2,219,022.90 = 637,812.60 : x
  2. Step 2: Convert to fraction form
    1,478,657.40/2,219,022.90 = 637,812.60/x
  3. Step 3: Cross multiply
    1,478,657.40x = 2,219,022.90 × 637,812.60
  4. Step 4: Simplify right side
    1,478,657.40x = 1,415,320,765,308.54
  5. Step 5: Solve for x
    x = 1,415,320,765,308.54/1,478,657.40
  6. Step 6: Final answer
    x = 957,166.12

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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.