Home / 1,859,627.70-2,788,357.64-721,059.71

Finding the Fourth Proportional to 1,859,627.70, 2,788,357.64 and 721,059.71

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Solution

The fourth proportional to 1,859,627.70, 2,788,357.64 and 721,059.71 is: 1,081,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,627.70 : 2,788,357.64 = 721,059.71 : x
  2. Step 2: Convert to fraction form
    1,859,627.70/2,788,357.64 = 721,059.71/x
  3. Step 3: Cross multiply
    1,859,627.70x = 2,788,357.64 × 721,059.71
  4. Step 4: Simplify right side
    1,859,627.70x = 2,010,572,333,727.60
  5. Step 5: Solve for x
    x = 2,010,572,333,727.60/1,859,627.70
  6. Step 6: Final answer
    x = 1,081,169.28

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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.