Home / 1,365,999.40-2,048,979.90-618,044.20

Finding the Fourth Proportional to 1,365,999.40, 2,048,979.90 and 618,044.20

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Solution

The fourth proportional to 1,365,999.40, 2,048,979.90 and 618,044.20 is: 927,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,999.40 : 2,048,979.90 = 618,044.20 : x
  2. Step 2: Convert to fraction form
    1,365,999.40/2,048,979.90 = 618,044.20/x
  3. Step 3: Cross multiply
    1,365,999.40x = 2,048,979.90 × 618,044.20
  4. Step 4: Simplify right side
    1,365,999.40x = 1,266,360,143,111.58
  5. Step 5: Solve for x
    x = 1,266,360,143,111.58/1,365,999.40
  6. Step 6: Final answer
    x = 927,057.61

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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.