Home / 1,239,727.03-1,858,867.99-480,681.77

Finding the Fourth Proportional to 1,239,727.03, 1,858,867.99 and 480,681.77

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Solution

The fourth proportional to 1,239,727.03, 1,858,867.99 and 480,681.77 is: 720,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,727.03 : 1,858,867.99 = 480,681.77 : x
  2. Step 2: Convert to fraction form
    1,239,727.03/1,858,867.99 = 480,681.77/x
  3. Step 3: Cross multiply
    1,239,727.03x = 1,858,867.99 × 480,681.77
  4. Step 4: Simplify right side
    1,239,727.03x = 893,523,945,133.50
  5. Step 5: Solve for x
    x = 893,523,945,133.50/1,239,727.03
  6. Step 6: Final answer
    x = 720,742.49

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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.