Home / 1,859,591.69-2,788,303.70-721,023.75

Finding the Fourth Proportional to 1,859,591.69, 2,788,303.70 and 721,023.75

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Solution

The fourth proportional to 1,859,591.69, 2,788,303.70 and 721,023.75 is: 1,081,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,591.69 : 2,788,303.70 = 721,023.75 : x
  2. Step 2: Convert to fraction form
    1,859,591.69/2,788,303.70 = 721,023.75/x
  3. Step 3: Cross multiply
    1,859,591.69x = 2,788,303.70 × 721,023.75
  4. Step 4: Simplify right side
    1,859,591.69x = 2,010,433,186,307.76
  5. Step 5: Solve for x
    x = 2,010,433,186,307.76/1,859,591.69
  6. Step 6: Final answer
    x = 1,081,115.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.