Home / 1,303,159.54-1,796,366.66-914,885.72

Finding the Fourth Proportional to 1,303,159.54, 1,796,366.66 and 914,885.72

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Solution

The fourth proportional to 1,303,159.54, 1,796,366.66 and 914,885.72 is: 1,261,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,159.54 : 1,796,366.66 = 914,885.72 : x
  2. Step 2: Convert to fraction form
    1,303,159.54/1,796,366.66 = 914,885.72/x
  3. Step 3: Cross multiply
    1,303,159.54x = 1,796,366.66 × 914,885.72
  4. Step 4: Simplify right side
    1,303,159.54x = 1,643,470,205,118.10
  5. Step 5: Solve for x
    x = 1,643,470,205,118.10/1,303,159.54
  6. Step 6: Final answer
    x = 1,261,142.75

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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.