Home / 1,020,882.32-1,531,206.84-272,986.64

Finding the Fourth Proportional to 1,020,882.32, 1,531,206.84 and 272,986.64

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Solution

The fourth proportional to 1,020,882.32, 1,531,206.84 and 272,986.64 is: 409,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,882.32 : 1,531,206.84 = 272,986.64 : x
  2. Step 2: Convert to fraction form
    1,020,882.32/1,531,206.84 = 272,986.64/x
  3. Step 3: Cross multiply
    1,020,882.32x = 1,531,206.84 × 272,986.64
  4. Step 4: Simplify right side
    1,020,882.32x = 417,999,010,396.62
  5. Step 5: Solve for x
    x = 417,999,010,396.62/1,020,882.32
  6. Step 6: Final answer
    x = 409,448.77

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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.