Home / 1,100,461.58-1,518,078.04-718,711.82

Finding the Fourth Proportional to 1,100,461.58, 1,518,078.04 and 718,711.82

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Solution

The fourth proportional to 1,100,461.58, 1,518,078.04 and 718,711.82 is: 991,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,461.58 : 1,518,078.04 = 718,711.82 : x
  2. Step 2: Convert to fraction form
    1,100,461.58/1,518,078.04 = 718,711.82/x
  3. Step 3: Cross multiply
    1,100,461.58x = 1,518,078.04 × 718,711.82
  4. Step 4: Simplify right side
    1,100,461.58x = 1,091,060,631,030.43
  5. Step 5: Solve for x
    x = 1,091,060,631,030.43/1,100,461.58
  6. Step 6: Final answer
    x = 991,457.27

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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.