Home / 1,363,780.20-1,881,888.19-790,758.25

Finding the Fourth Proportional to 1,363,780.20, 1,881,888.19 and 790,758.25

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Solution

The fourth proportional to 1,363,780.20, 1,881,888.19 and 790,758.25 is: 1,091,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,780.20 : 1,881,888.19 = 790,758.25 : x
  2. Step 2: Convert to fraction form
    1,363,780.20/1,881,888.19 = 790,758.25/x
  3. Step 3: Cross multiply
    1,363,780.20x = 1,881,888.19 × 790,758.25
  4. Step 4: Simplify right side
    1,363,780.20x = 1,488,118,611,820.07
  5. Step 5: Solve for x
    x = 1,488,118,611,820.07/1,363,780.20
  6. Step 6: Final answer
    x = 1,091,171.89

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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.