Home / 1,450,317.40-2,175,476.10-1,288,576.60

Finding the Fourth Proportional to 1,450,317.40, 2,175,476.10 and 1,288,576.60

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Solution

The fourth proportional to 1,450,317.40, 2,175,476.10 and 1,288,576.60 is: 1,932,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,317.40 : 2,175,476.10 = 1,288,576.60 : x
  2. Step 2: Convert to fraction form
    1,450,317.40/2,175,476.10 = 1,288,576.60/x
  3. Step 3: Cross multiply
    1,450,317.40x = 2,175,476.10 × 1,288,576.60
  4. Step 4: Simplify right side
    1,450,317.40x = 2,803,267,596,319.26
  5. Step 5: Solve for x
    x = 2,803,267,596,319.26/1,450,317.40
  6. Step 6: Final answer
    x = 1,932,864.90

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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.