Home / 1,028,964.95-1,543,505.75-319,093.91

Finding the Fourth Proportional to 1,028,964.95, 1,543,505.75 and 319,093.91

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Solution

The fourth proportional to 1,028,964.95, 1,543,505.75 and 319,093.91 is: 478,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,964.95 : 1,543,505.75 = 319,093.91 : x
  2. Step 2: Convert to fraction form
    1,028,964.95/1,543,505.75 = 319,093.91/x
  3. Step 3: Cross multiply
    1,028,964.95x = 1,543,505.75 × 319,093.91
  4. Step 4: Simplify right side
    1,028,964.95x = 492,523,283,279.51
  5. Step 5: Solve for x
    x = 492,523,283,279.51/1,028,964.95
  6. Step 6: Final answer
    x = 478,658.95

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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.