Home / 1,630,224.81-2,249,597.88-905,016.36

Finding the Fourth Proportional to 1,630,224.81, 2,249,597.88 and 905,016.36

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Solution

The fourth proportional to 1,630,224.81, 2,249,597.88 and 905,016.36 is: 1,248,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,224.81 : 2,249,597.88 = 905,016.36 : x
  2. Step 2: Convert to fraction form
    1,630,224.81/2,249,597.88 = 905,016.36/x
  3. Step 3: Cross multiply
    1,630,224.81x = 2,249,597.88 × 905,016.36
  4. Step 4: Simplify right side
    1,630,224.81x = 2,035,922,884,821.32
  5. Step 5: Solve for x
    x = 2,035,922,884,821.32/1,630,224.81
  6. Step 6: Final answer
    x = 1,248,860.20

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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.