Home / 1,316,278.96-1,974,418.44-319,006.96

Finding the Fourth Proportional to 1,316,278.96, 1,974,418.44 and 319,006.96

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Solution

The fourth proportional to 1,316,278.96, 1,974,418.44 and 319,006.96 is: 478,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,278.96 : 1,974,418.44 = 319,006.96 : x
  2. Step 2: Convert to fraction form
    1,316,278.96/1,974,418.44 = 319,006.96/x
  3. Step 3: Cross multiply
    1,316,278.96x = 1,974,418.44 × 319,006.96
  4. Step 4: Simplify right side
    1,316,278.96x = 629,853,224,312.34
  5. Step 5: Solve for x
    x = 629,853,224,312.34/1,316,278.96
  6. Step 6: Final answer
    x = 478,510.44

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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.