Home / 1,642,089.80-2,463,365.10-520,041.80

Finding the Fourth Proportional to 1,642,089.80, 2,463,365.10 and 520,041.80

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Solution

The fourth proportional to 1,642,089.80, 2,463,365.10 and 520,041.80 is: 780,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,089.80 : 2,463,365.10 = 520,041.80 : x
  2. Step 2: Convert to fraction form
    1,642,089.80/2,463,365.10 = 520,041.80/x
  3. Step 3: Cross multiply
    1,642,089.80x = 2,463,365.10 × 520,041.80
  4. Step 4: Simplify right side
    1,642,089.80x = 1,281,052,820,661.18
  5. Step 5: Solve for x
    x = 1,281,052,820,661.18/1,642,089.80
  6. Step 6: Final answer
    x = 780,135.67

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Double scale
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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.