Home / 1,297,362.40-1,946,043.60-849,464.80

Finding the Fourth Proportional to 1,297,362.40, 1,946,043.60 and 849,464.80

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Solution

The fourth proportional to 1,297,362.40, 1,946,043.60 and 849,464.80 is: 1,274,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,362.40 : 1,946,043.60 = 849,464.80 : x
  2. Step 2: Convert to fraction form
    1,297,362.40/1,946,043.60 = 849,464.80/x
  3. Step 3: Cross multiply
    1,297,362.40x = 1,946,043.60 × 849,464.80
  4. Step 4: Simplify right side
    1,297,362.40x = 1,653,095,537,465.28
  5. Step 5: Solve for x
    x = 1,653,095,537,465.28/1,297,362.40
  6. Step 6: Final answer
    x = 1,274,197.20

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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.