Home / 1,630,348.31-2,249,938.07-905,207.15

Finding the Fourth Proportional to 1,630,348.31, 2,249,938.07 and 905,207.15

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Solution

The fourth proportional to 1,630,348.31, 2,249,938.07 and 905,207.15 is: 1,249,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,348.31 : 2,249,938.07 = 905,207.15 : x
  2. Step 2: Convert to fraction form
    1,630,348.31/2,249,938.07 = 905,207.15/x
  3. Step 3: Cross multiply
    1,630,348.31x = 2,249,938.07 × 905,207.15
  4. Step 4: Simplify right side
    1,630,348.31x = 2,036,660,012,245.47
  5. Step 5: Solve for x
    x = 2,036,660,012,245.47/1,630,348.31
  6. Step 6: Final answer
    x = 1,249,217.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.