Home / 1,818,763.62-2,509,878.60-1,003,001.28

Finding the Fourth Proportional to 1,818,763.62, 2,509,878.60 and 1,003,001.28

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Solution

The fourth proportional to 1,818,763.62, 2,509,878.60 and 1,003,001.28 is: 1,384,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,763.62 : 2,509,878.60 = 1,003,001.28 : x
  2. Step 2: Convert to fraction form
    1,818,763.62/2,509,878.60 = 1,003,001.28/x
  3. Step 3: Cross multiply
    1,818,763.62x = 2,509,878.60 × 1,003,001.28
  4. Step 4: Simplify right side
    1,818,763.62x = 2,517,411,448,444.61
  5. Step 5: Solve for x
    x = 2,517,411,448,444.61/1,818,763.62
  6. Step 6: Final answer
    x = 1,384,133.39

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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.