Home / 1,395,256.25-1,925,507.57-775,108.37

Finding the Fourth Proportional to 1,395,256.25, 1,925,507.57 and 775,108.37

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Solution

The fourth proportional to 1,395,256.25, 1,925,507.57 and 775,108.37 is: 1,069,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,256.25 : 1,925,507.57 = 775,108.37 : x
  2. Step 2: Convert to fraction form
    1,395,256.25/1,925,507.57 = 775,108.37/x
  3. Step 3: Cross multiply
    1,395,256.25x = 1,925,507.57 × 775,108.37
  4. Step 4: Simplify right side
    1,395,256.25x = 1,492,477,020,502.28
  5. Step 5: Solve for x
    x = 1,492,477,020,502.28/1,395,256.25
  6. Step 6: Final answer
    x = 1,069,679.51

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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.