Home / 1,343,745.05-2,010,881.51-838,543.80

Finding the Fourth Proportional to 1,343,745.05, 2,010,881.51 and 838,543.80

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Solution

The fourth proportional to 1,343,745.05, 2,010,881.51 and 838,543.80 is: 1,254,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,745.05 : 2,010,881.51 = 838,543.80 : x
  2. Step 2: Convert to fraction form
    1,343,745.05/2,010,881.51 = 838,543.80/x
  3. Step 3: Cross multiply
    1,343,745.05x = 2,010,881.51 × 838,543.80
  4. Step 4: Simplify right side
    1,343,745.05x = 1,686,212,218,552.42
  5. Step 5: Solve for x
    x = 1,686,212,218,552.42/1,343,745.05
  6. Step 6: Final answer
    x = 1,254,860.22

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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.