Home / 1,286,538.50-1,774,261.04-803,148.32

Finding the Fourth Proportional to 1,286,538.50, 1,774,261.04 and 803,148.32

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Solution

The fourth proportional to 1,286,538.50, 1,774,261.04 and 803,148.32 is: 1,107,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,538.50 : 1,774,261.04 = 803,148.32 : x
  2. Step 2: Convert to fraction form
    1,286,538.50/1,774,261.04 = 803,148.32/x
  3. Step 3: Cross multiply
    1,286,538.50x = 1,774,261.04 × 803,148.32
  4. Step 4: Simplify right side
    1,286,538.50x = 1,424,994,773,517.45
  5. Step 5: Solve for x
    x = 1,424,994,773,517.45/1,286,538.50
  6. Step 6: Final answer
    x = 1,107,619.22

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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.