Home / 1,298,615.80-1,948,907.85-849,187.30

Finding the Fourth Proportional to 1,298,615.80, 1,948,907.85 and 849,187.30

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Solution

The fourth proportional to 1,298,615.80, 1,948,907.85 and 849,187.30 is: 1,274,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,615.80 : 1,948,907.85 = 849,187.30 : x
  2. Step 2: Convert to fraction form
    1,298,615.80/1,948,907.85 = 849,187.30/x
  3. Step 3: Cross multiply
    1,298,615.80x = 1,948,907.85 × 849,187.30
  4. Step 4: Simplify right side
    1,298,615.80x = 1,654,987,795,090.31
  5. Step 5: Solve for x
    x = 1,654,987,795,090.31/1,298,615.80
  6. Step 6: Final answer
    x = 1,274,424.50

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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.