Home / 1,008,074.40-1,510,556.40-874,327.20

Finding the Fourth Proportional to 1,008,074.40, 1,510,556.40 and 874,327.20

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Solution

The fourth proportional to 1,008,074.40, 1,510,556.40 and 874,327.20 is: 1,310,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,074.40 : 1,510,556.40 = 874,327.20 : x
  2. Step 2: Convert to fraction form
    1,008,074.40/1,510,556.40 = 874,327.20/x
  3. Step 3: Cross multiply
    1,008,074.40x = 1,510,556.40 × 874,327.20
  4. Step 4: Simplify right side
    1,008,074.40x = 1,320,720,547,654.08
  5. Step 5: Solve for x
    x = 1,320,720,547,654.08/1,008,074.40
  6. Step 6: Final answer
    x = 1,310,141.94

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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.