Home / 1,312,790.56-1,799,836.52-1,288,876.96

Finding the Fourth Proportional to 1,312,790.56, 1,799,836.52 and 1,288,876.96

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Solution

The fourth proportional to 1,312,790.56, 1,799,836.52 and 1,288,876.96 is: 1,767,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,790.56 : 1,799,836.52 = 1,288,876.96 : x
  2. Step 2: Convert to fraction form
    1,312,790.56/1,799,836.52 = 1,288,876.96/x
  3. Step 3: Cross multiply
    1,312,790.56x = 1,799,836.52 × 1,288,876.96
  4. Step 4: Simplify right side
    1,312,790.56x = 2,319,767,822,394.58
  5. Step 5: Solve for x
    x = 2,319,767,822,394.58/1,312,790.56
  6. Step 6: Final answer
    x = 1,767,050.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.