Home / 1,270,730.58-1,753,595.57-689,940.95

Finding the Fourth Proportional to 1,270,730.58, 1,753,595.57 and 689,940.95

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Solution

The fourth proportional to 1,270,730.58, 1,753,595.57 and 689,940.95 is: 952,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,730.58 : 1,753,595.57 = 689,940.95 : x
  2. Step 2: Convert to fraction form
    1,270,730.58/1,753,595.57 = 689,940.95/x
  3. Step 3: Cross multiply
    1,270,730.58x = 1,753,595.57 × 689,940.95
  4. Step 4: Simplify right side
    1,270,730.58x = 1,209,877,381,263.91
  5. Step 5: Solve for x
    x = 1,209,877,381,263.91/1,270,730.58
  6. Step 6: Final answer
    x = 952,111.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.