Home / 1,388,685.83-2,083,013.64-1,053,783.23

Finding the Fourth Proportional to 1,388,685.83, 2,083,013.64 and 1,053,783.23

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Solution

The fourth proportional to 1,388,685.83, 2,083,013.64 and 1,053,783.23 is: 1,580,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,685.83 : 2,083,013.64 = 1,053,783.23 : x
  2. Step 2: Convert to fraction form
    1,388,685.83/2,083,013.64 = 1,053,783.23/x
  3. Step 3: Cross multiply
    1,388,685.83x = 2,083,013.64 × 1,053,783.23
  4. Step 4: Simplify right side
    1,388,685.83x = 2,195,044,831,278.19
  5. Step 5: Solve for x
    x = 2,195,044,831,278.19/1,388,685.83
  6. Step 6: Final answer
    x = 1,580,663.38

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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.