Home / 1,630,615.65-2,250,392.19-905,605.10

Finding the Fourth Proportional to 1,630,615.65, 2,250,392.19 and 905,605.10

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Solution

The fourth proportional to 1,630,615.65, 2,250,392.19 and 905,605.10 is: 1,249,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,615.65 : 2,250,392.19 = 905,605.10 : x
  2. Step 2: Convert to fraction form
    1,630,615.65/2,250,392.19 = 905,605.10/x
  3. Step 3: Cross multiply
    1,630,615.65x = 2,250,392.19 × 905,605.10
  4. Step 4: Simplify right side
    1,630,615.65x = 2,037,966,639,736.14
  5. Step 5: Solve for x
    x = 2,037,966,639,736.14/1,630,615.65
  6. Step 6: Final answer
    x = 1,249,814.23

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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.