Home / 1,369,284.40-1,889,556.88-749,079.44

Finding the Fourth Proportional to 1,369,284.40, 1,889,556.88 and 749,079.44

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Solution

The fourth proportional to 1,369,284.40, 1,889,556.88 and 749,079.44 is: 1,033,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,284.40 : 1,889,556.88 = 749,079.44 : x
  2. Step 2: Convert to fraction form
    1,369,284.40/1,889,556.88 = 749,079.44/x
  3. Step 3: Cross multiply
    1,369,284.40x = 1,889,556.88 × 749,079.44
  4. Step 4: Simplify right side
    1,369,284.40x = 1,415,428,209,518.55
  5. Step 5: Solve for x
    x = 1,415,428,209,518.55/1,369,284.40
  6. Step 6: Final answer
    x = 1,033,699.22

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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.