Home / 1,270,347.30-1,905,813.09-371,767.86

Finding the Fourth Proportional to 1,270,347.30, 1,905,813.09 and 371,767.86

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Solution

The fourth proportional to 1,270,347.30, 1,905,813.09 and 371,767.86 is: 557,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,347.30 : 1,905,813.09 = 371,767.86 : x
  2. Step 2: Convert to fraction form
    1,270,347.30/1,905,813.09 = 371,767.86/x
  3. Step 3: Cross multiply
    1,270,347.30x = 1,905,813.09 × 371,767.86
  4. Step 4: Simplify right side
    1,270,347.30x = 708,520,054,029.29
  5. Step 5: Solve for x
    x = 708,520,054,029.29/1,270,347.30
  6. Step 6: Final answer
    x = 557,737.28

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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.