Home / 1,408,261.60-2,112,392.40-698,015.20

Finding the Fourth Proportional to 1,408,261.60, 2,112,392.40 and 698,015.20

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Solution

The fourth proportional to 1,408,261.60, 2,112,392.40 and 698,015.20 is: 1,047,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,261.60 : 2,112,392.40 = 698,015.20 : x
  2. Step 2: Convert to fraction form
    1,408,261.60/2,112,392.40 = 698,015.20/x
  3. Step 3: Cross multiply
    1,408,261.60x = 2,112,392.40 × 698,015.20
  4. Step 4: Simplify right side
    1,408,261.60x = 1,474,482,003,564.48
  5. Step 5: Solve for x
    x = 1,474,482,003,564.48/1,408,261.60
  6. Step 6: Final answer
    x = 1,047,022.80

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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.