Home / 3,145,442.58-4,718,155.92-870,959.40

Finding the Fourth Proportional to 3,145,442.58, 4,718,155.92 and 870,959.40

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Solution

The fourth proportional to 3,145,442.58, 4,718,155.92 and 870,959.40 is: 1,306,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,442.58 : 4,718,155.92 = 870,959.40 : x
  2. Step 2: Convert to fraction form
    3,145,442.58/4,718,155.92 = 870,959.40/x
  3. Step 3: Cross multiply
    3,145,442.58x = 4,718,155.92 × 870,959.40
  4. Step 4: Simplify right side
    3,145,442.58x = 4,109,322,249,189.65
  5. Step 5: Solve for x
    x = 4,109,322,249,189.65/3,145,442.58
  6. Step 6: Final answer
    x = 1,306,436.90

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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.