Home / 1,343,243.40-2,014,865.10-1,240,600.20

Finding the Fourth Proportional to 1,343,243.40, 2,014,865.10 and 1,240,600.20

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Solution

The fourth proportional to 1,343,243.40, 2,014,865.10 and 1,240,600.20 is: 1,860,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,243.40 : 2,014,865.10 = 1,240,600.20 : x
  2. Step 2: Convert to fraction form
    1,343,243.40/2,014,865.10 = 1,240,600.20/x
  3. Step 3: Cross multiply
    1,343,243.40x = 2,014,865.10 × 1,240,600.20
  4. Step 4: Simplify right side
    1,343,243.40x = 2,499,642,046,033.02
  5. Step 5: Solve for x
    x = 2,499,642,046,033.02/1,343,243.40
  6. Step 6: Final answer
    x = 1,860,900.30

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Similar ratio
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1.5x scale

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.