Home / 1,235,254.60-1,852,881.90-1,188,015.40

Finding the Fourth Proportional to 1,235,254.60, 1,852,881.90 and 1,188,015.40

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Solution

The fourth proportional to 1,235,254.60, 1,852,881.90 and 1,188,015.40 is: 1,782,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,254.60 : 1,852,881.90 = 1,188,015.40 : x
  2. Step 2: Convert to fraction form
    1,235,254.60/1,852,881.90 = 1,188,015.40/x
  3. Step 3: Cross multiply
    1,235,254.60x = 1,852,881.90 × 1,188,015.40
  4. Step 4: Simplify right side
    1,235,254.60x = 2,201,252,231,581.26
  5. Step 5: Solve for x
    x = 2,201,252,231,581.26/1,235,254.60
  6. Step 6: Final answer
    x = 1,782,023.10

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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.