Home / 1,008,364.70-1,511,218.65-740,870.30

Finding the Fourth Proportional to 1,008,364.70, 1,511,218.65 and 740,870.30

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Solution

The fourth proportional to 1,008,364.70, 1,511,218.65 and 740,870.30 is: 1,110,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,364.70 : 1,511,218.65 = 740,870.30 : x
  2. Step 2: Convert to fraction form
    1,008,364.70/1,511,218.65 = 740,870.30/x
  3. Step 3: Cross multiply
    1,008,364.70x = 1,511,218.65 × 740,870.30
  4. Step 4: Simplify right side
    1,008,364.70x = 1,119,617,014,591.10
  5. Step 5: Solve for x
    x = 1,119,617,014,591.10/1,008,364.70
  6. Step 6: Final answer
    x = 1,110,329.44

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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.