Home / 1,630,301.45-2,249,711.92-905,148.98

Finding the Fourth Proportional to 1,630,301.45, 2,249,711.92 and 905,148.98

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Solution

The fourth proportional to 1,630,301.45, 2,249,711.92 and 905,148.98 is: 1,249,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,301.45 : 2,249,711.92 = 905,148.98 : x
  2. Step 2: Convert to fraction form
    1,630,301.45/2,249,711.92 = 905,148.98/x
  3. Step 3: Cross multiply
    1,630,301.45x = 2,249,711.92 × 905,148.98
  4. Step 4: Simplify right side
    1,630,301.45x = 2,036,324,448,001.14
  5. Step 5: Solve for x
    x = 2,036,324,448,001.14/1,630,301.45
  6. Step 6: Final answer
    x = 1,249,047.81

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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.