Home / 1,630,298.88-2,249,708.38-905,146.42

Finding the Fourth Proportional to 1,630,298.88, 2,249,708.38 and 905,146.42

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Solution

The fourth proportional to 1,630,298.88, 2,249,708.38 and 905,146.42 is: 1,249,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,298.88 : 2,249,708.38 = 905,146.42 : x
  2. Step 2: Convert to fraction form
    1,630,298.88/2,249,708.38 = 905,146.42/x
  3. Step 3: Cross multiply
    1,630,298.88x = 2,249,708.38 × 905,146.42
  4. Step 4: Simplify right side
    1,630,298.88x = 2,036,315,486,201.00
  5. Step 5: Solve for x
    x = 2,036,315,486,201.00/1,630,298.88
  6. Step 6: Final answer
    x = 1,249,044.28

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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.