Home / 1,100,457.95-1,518,073.04-718,708.19

Finding the Fourth Proportional to 1,100,457.95, 1,518,073.04 and 718,708.19

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Solution

The fourth proportional to 1,100,457.95, 1,518,073.04 and 718,708.19 is: 991,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,457.95 : 1,518,073.04 = 718,708.19 : x
  2. Step 2: Convert to fraction form
    1,100,457.95/1,518,073.04 = 718,708.19/x
  3. Step 3: Cross multiply
    1,100,457.95x = 1,518,073.04 × 718,708.19
  4. Step 4: Simplify right side
    1,100,457.95x = 1,091,051,521,072.60
  5. Step 5: Solve for x
    x = 1,091,051,521,072.60/1,100,457.95
  6. Step 6: Final answer
    x = 991,452.26

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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.