Home / 1,448,595.47-1,999,047.29-803,999.09

Finding the Fourth Proportional to 1,448,595.47, 1,999,047.29 and 803,999.09

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Solution

The fourth proportional to 1,448,595.47, 1,999,047.29 and 803,999.09 is: 1,109,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,595.47 : 1,999,047.29 = 803,999.09 : x
  2. Step 2: Convert to fraction form
    1,448,595.47/1,999,047.29 = 803,999.09/x
  3. Step 3: Cross multiply
    1,448,595.47x = 1,999,047.29 × 803,999.09
  4. Step 4: Simplify right side
    1,448,595.47x = 1,607,232,188,011.73
  5. Step 5: Solve for x
    x = 1,607,232,188,011.73/1,448,595.47
  6. Step 6: Final answer
    x = 1,109,510.71

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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.