Home / 1,316,335.70-1,974,503.54-319,063.70

Finding the Fourth Proportional to 1,316,335.70, 1,974,503.54 and 319,063.70

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Solution

The fourth proportional to 1,316,335.70, 1,974,503.54 and 319,063.70 is: 478,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,335.70 : 1,974,503.54 = 319,063.70 : x
  2. Step 2: Convert to fraction form
    1,316,335.70/1,974,503.54 = 319,063.70/x
  3. Step 3: Cross multiply
    1,316,335.70x = 1,974,503.54 × 319,063.70
  4. Step 4: Simplify right side
    1,316,335.70x = 629,992,393,667.66
  5. Step 5: Solve for x
    x = 629,992,393,667.66/1,316,335.70
  6. Step 6: Final answer
    x = 478,595.54

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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.