Home / 1,859,592.69-2,788,305.20-721,024.75

Finding the Fourth Proportional to 1,859,592.69, 2,788,305.20 and 721,024.75

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Solution

The fourth proportional to 1,859,592.69, 2,788,305.20 and 721,024.75 is: 1,081,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,592.69 : 2,788,305.20 = 721,024.75 : x
  2. Step 2: Convert to fraction form
    1,859,592.69/2,788,305.20 = 721,024.75/x
  3. Step 3: Cross multiply
    1,859,592.69x = 2,788,305.20 × 721,024.75
  4. Step 4: Simplify right side
    1,859,592.69x = 2,010,437,056,148.58
  5. Step 5: Solve for x
    x = 2,010,437,056,148.58/1,859,592.69
  6. Step 6: Final answer
    x = 1,081,116.89

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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.