Home / 1,416,929.55-1,955,383.11-772,349.73

Finding the Fourth Proportional to 1,416,929.55, 1,955,383.11 and 772,349.73

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Solution

The fourth proportional to 1,416,929.55, 1,955,383.11 and 772,349.73 is: 1,065,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,929.55 : 1,955,383.11 = 772,349.73 : x
  2. Step 2: Convert to fraction form
    1,416,929.55/1,955,383.11 = 772,349.73/x
  3. Step 3: Cross multiply
    1,416,929.55x = 1,955,383.11 × 772,349.73
  4. Step 4: Simplify right side
    1,416,929.55x = 1,510,239,617,055.06
  5. Step 5: Solve for x
    x = 1,510,239,617,055.06/1,416,929.55
  6. Step 6: Final answer
    x = 1,065,853.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.