Home / 1,352,551.80-1,868,465.70-1,080,262.20

Finding the Fourth Proportional to 1,352,551.80, 1,868,465.70 and 1,080,262.20

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Solution

The fourth proportional to 1,352,551.80, 1,868,465.70 and 1,080,262.20 is: 1,492,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,551.80 : 1,868,465.70 = 1,080,262.20 : x
  2. Step 2: Convert to fraction form
    1,352,551.80/1,868,465.70 = 1,080,262.20/x
  3. Step 3: Cross multiply
    1,352,551.80x = 1,868,465.70 × 1,080,262.20
  4. Step 4: Simplify right side
    1,352,551.80x = 2,018,432,867,706.54
  5. Step 5: Solve for x
    x = 2,018,432,867,706.54/1,352,551.80
  6. Step 6: Final answer
    x = 1,492,314.65

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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.