Home / 1,302,931.64-1,798,111.78-751,442.20

Finding the Fourth Proportional to 1,302,931.64, 1,798,111.78 and 751,442.20

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Solution

The fourth proportional to 1,302,931.64, 1,798,111.78 and 751,442.20 is: 1,037,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,931.64 : 1,798,111.78 = 751,442.20 : x
  2. Step 2: Convert to fraction form
    1,302,931.64/1,798,111.78 = 751,442.20/x
  3. Step 3: Cross multiply
    1,302,931.64x = 1,798,111.78 × 751,442.20
  4. Step 4: Simplify right side
    1,302,931.64x = 1,351,177,065,435.23
  5. Step 5: Solve for x
    x = 1,351,177,065,435.23/1,302,931.64
  6. Step 6: Final answer
    x = 1,037,028.36

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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.