Home / 1,295,466.71-1,942,779.04-430,669.49

Finding the Fourth Proportional to 1,295,466.71, 1,942,779.04 and 430,669.49

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Solution

The fourth proportional to 1,295,466.71, 1,942,779.04 and 430,669.49 is: 645,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,466.71 : 1,942,779.04 = 430,669.49 : x
  2. Step 2: Convert to fraction form
    1,295,466.71/1,942,779.04 = 430,669.49/x
  3. Step 3: Cross multiply
    1,295,466.71x = 1,942,779.04 × 430,669.49
  4. Step 4: Simplify right side
    1,295,466.71x = 836,695,647,548.92
  5. Step 5: Solve for x
    x = 836,695,647,548.92/1,295,466.71
  6. Step 6: Final answer
    x = 645,864.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.