Home / 1,859,629.70-2,788,360.63-721,061.71

Finding the Fourth Proportional to 1,859,629.70, 2,788,360.63 and 721,061.71

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Solution

The fourth proportional to 1,859,629.70, 2,788,360.63 and 721,061.71 is: 1,081,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,629.70 : 2,788,360.63 = 721,061.71 : x
  2. Step 2: Convert to fraction form
    1,859,629.70/2,788,360.63 = 721,061.71/x
  3. Step 3: Cross multiply
    1,859,629.70x = 2,788,360.63 × 721,061.71
  4. Step 4: Simplify right side
    1,859,629.70x = 2,010,580,083,964.48
  5. Step 5: Solve for x
    x = 2,010,580,083,964.48/1,859,629.70
  6. Step 6: Final answer
    x = 1,081,172.28

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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.