Home / 1,039,727.87-1,559,740.58-320,130.46

Finding the Fourth Proportional to 1,039,727.87, 1,559,740.58 and 320,130.46

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Solution

The fourth proportional to 1,039,727.87, 1,559,740.58 and 320,130.46 is: 480,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,727.87 : 1,559,740.58 = 320,130.46 : x
  2. Step 2: Convert to fraction form
    1,039,727.87/1,559,740.58 = 320,130.46/x
  3. Step 3: Cross multiply
    1,039,727.87x = 1,559,740.58 × 320,130.46
  4. Step 4: Simplify right side
    1,039,727.87x = 499,320,470,905.58
  5. Step 5: Solve for x
    x = 499,320,470,905.58/1,039,727.87
  6. Step 6: Final answer
    x = 480,241.50

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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.