Home / 1,378,250.16-1,902,026.34-834,485.40

Finding the Fourth Proportional to 1,378,250.16, 1,902,026.34 and 834,485.40

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Solution

The fourth proportional to 1,378,250.16, 1,902,026.34 and 834,485.40 is: 1,151,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,250.16 : 1,902,026.34 = 834,485.40 : x
  2. Step 2: Convert to fraction form
    1,378,250.16/1,902,026.34 = 834,485.40/x
  3. Step 3: Cross multiply
    1,378,250.16x = 1,902,026.34 × 834,485.40
  4. Step 4: Simplify right side
    1,378,250.16x = 1,587,213,211,145.44
  5. Step 5: Solve for x
    x = 1,587,213,211,145.44/1,378,250.16
  6. Step 6: Final answer
    x = 1,151,614.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.