Home / 1,013,903.10-1,399,039.83-561,193.02

Finding the Fourth Proportional to 1,013,903.10, 1,399,039.83 and 561,193.02

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Solution

The fourth proportional to 1,013,903.10, 1,399,039.83 and 561,193.02 is: 774,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,903.10 : 1,399,039.83 = 561,193.02 : x
  2. Step 2: Convert to fraction form
    1,013,903.10/1,399,039.83 = 561,193.02/x
  3. Step 3: Cross multiply
    1,013,903.10x = 1,399,039.83 × 561,193.02
  4. Step 4: Simplify right side
    1,013,903.10x = 785,131,387,297.99
  5. Step 5: Solve for x
    x = 785,131,387,297.99/1,013,903.10
  6. Step 6: Final answer
    x = 774,365.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.