Home / 1,909,303.70-2,864,307.84-629,999.60

Finding the Fourth Proportional to 1,909,303.70, 2,864,307.84 and 629,999.60

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Solution

The fourth proportional to 1,909,303.70, 2,864,307.84 and 629,999.60 is: 945,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,303.70 : 2,864,307.84 = 629,999.60 : x
  2. Step 2: Convert to fraction form
    1,909,303.70/2,864,307.84 = 629,999.60/x
  3. Step 3: Cross multiply
    1,909,303.70x = 2,864,307.84 × 629,999.60
  4. Step 4: Simplify right side
    1,909,303.70x = 1,804,512,779,155.32
  5. Step 5: Solve for x
    x = 1,804,512,779,155.32/1,909,303.70
  6. Step 6: Final answer
    x = 945,115.64

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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.