Home / 1,668,072.84-2,301,942.96-904,126.20

Finding the Fourth Proportional to 1,668,072.84, 2,301,942.96 and 904,126.20

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Solution

The fourth proportional to 1,668,072.84, 2,301,942.96 and 904,126.20 is: 1,247,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,072.84 : 2,301,942.96 = 904,126.20 : x
  2. Step 2: Convert to fraction form
    1,668,072.84/2,301,942.96 = 904,126.20/x
  3. Step 3: Cross multiply
    1,668,072.84x = 2,301,942.96 × 904,126.20
  4. Step 4: Simplify right side
    1,668,072.84x = 2,081,246,941,041.55
  5. Step 5: Solve for x
    x = 2,081,246,941,041.55/1,668,072.84
  6. Step 6: Final answer
    x = 1,247,695.48

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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.