Home / 1,298,611.30-1,948,901.10-849,182.80

Finding the Fourth Proportional to 1,298,611.30, 1,948,901.10 and 849,182.80

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Solution

The fourth proportional to 1,298,611.30, 1,948,901.10 and 849,182.80 is: 1,274,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,611.30 : 1,948,901.10 = 849,182.80 : x
  2. Step 2: Convert to fraction form
    1,298,611.30/1,948,901.10 = 849,182.80/x
  3. Step 3: Cross multiply
    1,298,611.30x = 1,948,901.10 × 849,182.80
  4. Step 4: Simplify right side
    1,298,611.30x = 1,654,973,293,021.08
  5. Step 5: Solve for x
    x = 1,654,973,293,021.08/1,298,611.30
  6. Step 6: Final answer
    x = 1,274,417.75

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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.