Home / 1,630,352.48-2,249,956.70-905,200.23

Finding the Fourth Proportional to 1,630,352.48, 2,249,956.70 and 905,200.23

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Solution

The fourth proportional to 1,630,352.48, 2,249,956.70 and 905,200.23 is: 1,249,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,352.48 : 2,249,956.70 = 905,200.23 : x
  2. Step 2: Convert to fraction form
    1,630,352.48/2,249,956.70 = 905,200.23/x
  3. Step 3: Cross multiply
    1,630,352.48x = 2,249,956.70 × 905,200.23
  4. Step 4: Simplify right side
    1,630,352.48x = 2,036,661,317,804.04
  5. Step 5: Solve for x
    x = 2,036,661,317,804.04/1,630,352.48
  6. Step 6: Final answer
    x = 1,249,215.34

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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.