Home / 1,039,404.40-1,558,231.80-540,768.40

Finding the Fourth Proportional to 1,039,404.40, 1,558,231.80 and 540,768.40

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Solution

The fourth proportional to 1,039,404.40, 1,558,231.80 and 540,768.40 is: 810,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,404.40 : 1,558,231.80 = 540,768.40 : x
  2. Step 2: Convert to fraction form
    1,039,404.40/1,558,231.80 = 540,768.40/x
  3. Step 3: Cross multiply
    1,039,404.40x = 1,558,231.80 × 540,768.40
  4. Step 4: Simplify right side
    1,039,404.40x = 842,642,517,315.12
  5. Step 5: Solve for x
    x = 842,642,517,315.12/1,039,404.40
  6. Step 6: Final answer
    x = 810,697.47

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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.