Home / 1,286,491.32-1,774,196.28-803,101.32

Finding the Fourth Proportional to 1,286,491.32, 1,774,196.28 and 803,101.32

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Solution

The fourth proportional to 1,286,491.32, 1,774,196.28 and 803,101.32 is: 1,107,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,491.32 : 1,774,196.28 = 803,101.32 : x
  2. Step 2: Convert to fraction form
    1,286,491.32/1,774,196.28 = 803,101.32/x
  3. Step 3: Cross multiply
    1,286,491.32x = 1,774,196.28 × 803,101.32
  4. Step 4: Simplify right side
    1,286,491.32x = 1,424,859,374,407.09
  5. Step 5: Solve for x
    x = 1,424,859,374,407.09/1,286,491.32
  6. Step 6: Final answer
    x = 1,107,554.60

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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.