Home / 1,782,009.60-2,669,077.80-939,577.20

Finding the Fourth Proportional to 1,782,009.60, 2,669,077.80 and 939,577.20

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Solution

The fourth proportional to 1,782,009.60, 2,669,077.80 and 939,577.20 is: 1,407,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,009.60 : 2,669,077.80 = 939,577.20 : x
  2. Step 2: Convert to fraction form
    1,782,009.60/2,669,077.80 = 939,577.20/x
  3. Step 3: Cross multiply
    1,782,009.60x = 2,669,077.80 × 939,577.20
  4. Step 4: Simplify right side
    1,782,009.60x = 2,507,804,645,906.16
  5. Step 5: Solve for x
    x = 2,507,804,645,906.16/1,782,009.60
  6. Step 6: Final answer
    x = 1,407,290.20

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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.