Home / 1,223,750.96-1,687,840.44-1,072,585.52

Finding the Fourth Proportional to 1,223,750.96, 1,687,840.44 and 1,072,585.52

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Solution

The fourth proportional to 1,223,750.96, 1,687,840.44 and 1,072,585.52 is: 1,479,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,750.96 : 1,687,840.44 = 1,072,585.52 : x
  2. Step 2: Convert to fraction form
    1,223,750.96/1,687,840.44 = 1,072,585.52/x
  3. Step 3: Cross multiply
    1,223,750.96x = 1,687,840.44 × 1,072,585.52
  4. Step 4: Simplify right side
    1,223,750.96x = 1,810,353,216,014.43
  5. Step 5: Solve for x
    x = 1,810,353,216,014.43/1,223,750.96
  6. Step 6: Final answer
    x = 1,479,347.74

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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.