Home / 1,182,783.60-1,775,050.20-783,291.60

Finding the Fourth Proportional to 1,182,783.60, 1,775,050.20 and 783,291.60

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Solution

The fourth proportional to 1,182,783.60, 1,775,050.20 and 783,291.60 is: 1,175,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,783.60 : 1,775,050.20 = 783,291.60 : x
  2. Step 2: Convert to fraction form
    1,182,783.60/1,775,050.20 = 783,291.60/x
  3. Step 3: Cross multiply
    1,182,783.60x = 1,775,050.20 × 783,291.60
  4. Step 4: Simplify right side
    1,182,783.60x = 1,390,381,911,238.32
  5. Step 5: Solve for x
    x = 1,390,381,911,238.32/1,182,783.60
  6. Step 6: Final answer
    x = 1,175,516.73

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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.