Home / 1,408,908.60-2,113,362.90-510,780.60

Finding the Fourth Proportional to 1,408,908.60, 2,113,362.90 and 510,780.60

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Solution

The fourth proportional to 1,408,908.60, 2,113,362.90 and 510,780.60 is: 766,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,908.60 : 2,113,362.90 = 510,780.60 : x
  2. Step 2: Convert to fraction form
    1,408,908.60/2,113,362.90 = 510,780.60/x
  3. Step 3: Cross multiply
    1,408,908.60x = 2,113,362.90 × 510,780.60
  4. Step 4: Simplify right side
    1,408,908.60x = 1,079,464,770,079.74
  5. Step 5: Solve for x
    x = 1,079,464,770,079.74/1,408,908.60
  6. Step 6: Final answer
    x = 766,170.90

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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.