Home / 1,639,862.12-2,263,012.62-904,799.54

Finding the Fourth Proportional to 1,639,862.12, 2,263,012.62 and 904,799.54

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Solution

The fourth proportional to 1,639,862.12, 2,263,012.62 and 904,799.54 is: 1,248,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,862.12 : 2,263,012.62 = 904,799.54 : x
  2. Step 2: Convert to fraction form
    1,639,862.12/2,263,012.62 = 904,799.54/x
  3. Step 3: Cross multiply
    1,639,862.12x = 2,263,012.62 × 904,799.54
  4. Step 4: Simplify right side
    1,639,862.12x = 2,047,572,777,590.20
  5. Step 5: Solve for x
    x = 2,047,572,777,590.20/1,639,862.12
  6. Step 6: Final answer
    x = 1,248,624.96

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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.