Home / 1,440,026.80-2,160,040.20-493,313.20

Finding the Fourth Proportional to 1,440,026.80, 2,160,040.20 and 493,313.20

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Solution

The fourth proportional to 1,440,026.80, 2,160,040.20 and 493,313.20 is: 739,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,026.80 : 2,160,040.20 = 493,313.20 : x
  2. Step 2: Convert to fraction form
    1,440,026.80/2,160,040.20 = 493,313.20/x
  3. Step 3: Cross multiply
    1,440,026.80x = 2,160,040.20 × 493,313.20
  4. Step 4: Simplify right side
    1,440,026.80x = 1,065,576,343,190.64
  5. Step 5: Solve for x
    x = 1,065,576,343,190.64/1,440,026.80
  6. Step 6: Final answer
    x = 739,969.80

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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.