Home / 1,630,296.38-2,249,704.94-905,143.92

Finding the Fourth Proportional to 1,630,296.38, 2,249,704.94 and 905,143.92

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Solution

The fourth proportional to 1,630,296.38, 2,249,704.94 and 905,143.92 is: 1,249,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,296.38 : 2,249,704.94 = 905,143.92 : x
  2. Step 2: Convert to fraction form
    1,630,296.38/2,249,704.94 = 905,143.92/x
  3. Step 3: Cross multiply
    1,630,296.38x = 2,249,704.94 × 905,143.92
  4. Step 4: Simplify right side
    1,630,296.38x = 2,036,306,735,272.85
  5. Step 5: Solve for x
    x = 2,036,306,735,272.85/1,630,296.38
  6. Step 6: Final answer
    x = 1,249,040.82

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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.