Home / 1,630,354.50-2,249,959.50-905,202.32

Finding the Fourth Proportional to 1,630,354.50, 2,249,959.50 and 905,202.32

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Solution

The fourth proportional to 1,630,354.50, 2,249,959.50 and 905,202.32 is: 1,249,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,354.50 : 2,249,959.50 = 905,202.32 : x
  2. Step 2: Convert to fraction form
    1,630,354.50/2,249,959.50 = 905,202.32/x
  3. Step 3: Cross multiply
    1,630,354.50x = 2,249,959.50 × 905,202.32
  4. Step 4: Simplify right side
    1,630,354.50x = 2,036,668,548,056.24
  5. Step 5: Solve for x
    x = 2,036,668,548,056.24/1,630,354.50
  6. Step 6: Final answer
    x = 1,249,218.22

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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.