Home / 1,312,571.40-1,965,797.88-1,267,111.86

Finding the Fourth Proportional to 1,312,571.40, 1,965,797.88 and 1,267,111.86

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Solution

The fourth proportional to 1,312,571.40, 1,965,797.88 and 1,267,111.86 is: 1,897,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,571.40 : 1,965,797.88 = 1,267,111.86 : x
  2. Step 2: Convert to fraction form
    1,312,571.40/1,965,797.88 = 1,267,111.86/x
  3. Step 3: Cross multiply
    1,312,571.40x = 1,965,797.88 × 1,267,111.86
  4. Step 4: Simplify right side
    1,312,571.40x = 2,490,885,808,110.86
  5. Step 5: Solve for x
    x = 2,490,885,808,110.86/1,312,571.40
  6. Step 6: Final answer
    x = 1,897,714.52

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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.