Home / 1,488,639.44-2,054,856.84-885,026

Finding the Fourth Proportional to 1,488,639.44, 2,054,856.84 and 885,026

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Solution

The fourth proportional to 1,488,639.44, 2,054,856.84 and 885,026 is: 1,221,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,639.44 : 2,054,856.84 = 885,026 : x
  2. Step 2: Convert to fraction form
    1,488,639.44/2,054,856.84 = 885,026/x
  3. Step 3: Cross multiply
    1,488,639.44x = 2,054,856.84 × 885,026
  4. Step 4: Simplify right side
    1,488,639.44x = 1,818,601,729,677.84
  5. Step 5: Solve for x
    x = 1,818,601,729,677.84/1,488,639.44
  6. Step 6: Final answer
    x = 1,221,653.60

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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.