Home / 1,395,271.40-2,092,907.10-970,118.60

Finding the Fourth Proportional to 1,395,271.40, 2,092,907.10 and 970,118.60

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Solution

The fourth proportional to 1,395,271.40, 2,092,907.10 and 970,118.60 is: 1,455,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,271.40 : 2,092,907.10 = 970,118.60 : x
  2. Step 2: Convert to fraction form
    1,395,271.40/2,092,907.10 = 970,118.60/x
  3. Step 3: Cross multiply
    1,395,271.40x = 2,092,907.10 × 970,118.60
  4. Step 4: Simplify right side
    1,395,271.40x = 2,030,368,105,782.06
  5. Step 5: Solve for x
    x = 2,030,368,105,782.06/1,395,271.40
  6. Step 6: Final answer
    x = 1,455,177.90

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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.