Home / 1,316,274.95-1,974,412.44-319,002.95

Finding the Fourth Proportional to 1,316,274.95, 1,974,412.44 and 319,002.95

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Solution

The fourth proportional to 1,316,274.95, 1,974,412.44 and 319,002.95 is: 478,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,274.95 : 1,974,412.44 = 319,002.95 : x
  2. Step 2: Convert to fraction form
    1,316,274.95/1,974,412.44 = 319,002.95/x
  3. Step 3: Cross multiply
    1,316,274.95x = 1,974,412.44 × 319,002.95
  4. Step 4: Simplify right side
    1,316,274.95x = 629,843,383,004.64
  5. Step 5: Solve for x
    x = 629,843,383,004.64/1,316,274.95
  6. Step 6: Final answer
    x = 478,504.42

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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.