Home / 1,368,648.96-1,888,570.80-756,719.04

Finding the Fourth Proportional to 1,368,648.96, 1,888,570.80 and 756,719.04

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Solution

The fourth proportional to 1,368,648.96, 1,888,570.80 and 756,719.04 is: 1,044,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,648.96 : 1,888,570.80 = 756,719.04 : x
  2. Step 2: Convert to fraction form
    1,368,648.96/1,888,570.80 = 756,719.04/x
  3. Step 3: Cross multiply
    1,368,648.96x = 1,888,570.80 × 756,719.04
  4. Step 4: Simplify right side
    1,368,648.96x = 1,429,117,482,748.03
  5. Step 5: Solve for x
    x = 1,429,117,482,748.03/1,368,648.96
  6. Step 6: Final answer
    x = 1,044,181.18

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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.