Home / 1,008,365.70-1,511,220.15-740,871.30

Finding the Fourth Proportional to 1,008,365.70, 1,511,220.15 and 740,871.30

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Solution

The fourth proportional to 1,008,365.70, 1,511,220.15 and 740,871.30 is: 1,110,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,365.70 : 1,511,220.15 = 740,871.30 : x
  2. Step 2: Convert to fraction form
    1,008,365.70/1,511,220.15 = 740,871.30/x
  3. Step 3: Cross multiply
    1,008,365.70x = 1,511,220.15 × 740,871.30
  4. Step 4: Simplify right side
    1,008,365.70x = 1,119,619,637,116.70
  5. Step 5: Solve for x
    x = 1,119,619,637,116.70/1,008,365.70
  6. Step 6: Final answer
    x = 1,110,330.94

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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.