Home / 1,630,225.05-2,249,598.19-905,016.48

Finding the Fourth Proportional to 1,630,225.05, 2,249,598.19 and 905,016.48

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Solution

The fourth proportional to 1,630,225.05, 2,249,598.19 and 905,016.48 is: 1,248,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,225.05 : 2,249,598.19 = 905,016.48 : x
  2. Step 2: Convert to fraction form
    1,630,225.05/2,249,598.19 = 905,016.48/x
  3. Step 3: Cross multiply
    1,630,225.05x = 2,249,598.19 × 905,016.48
  4. Step 4: Simplify right side
    1,630,225.05x = 2,035,923,435,328.17
  5. Step 5: Solve for x
    x = 2,035,923,435,328.17/1,630,225.05
  6. Step 6: Final answer
    x = 1,248,860.36

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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.