Home / 1,001,308.64-1,501,962.75-665,006.09

Finding the Fourth Proportional to 1,001,308.64, 1,501,962.75 and 665,006.09

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Solution

The fourth proportional to 1,001,308.64, 1,501,962.75 and 665,006.09 is: 997,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,308.64 : 1,501,962.75 = 665,006.09 : x
  2. Step 2: Convert to fraction form
    1,001,308.64/1,501,962.75 = 665,006.09/x
  3. Step 3: Cross multiply
    1,001,308.64x = 1,501,962.75 × 665,006.09
  4. Step 4: Simplify right side
    1,001,308.64x = 998,814,368,193.33
  5. Step 5: Solve for x
    x = 998,814,368,193.33/1,001,308.64
  6. Step 6: Final answer
    x = 997,508.99

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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.