Home / 1,012,878.32-1,397,760.75-554,006.07

Finding the Fourth Proportional to 1,012,878.32, 1,397,760.75 and 554,006.07

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Solution

The fourth proportional to 1,012,878.32, 1,397,760.75 and 554,006.07 is: 764,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,878.32 : 1,397,760.75 = 554,006.07 : x
  2. Step 2: Convert to fraction form
    1,012,878.32/1,397,760.75 = 554,006.07/x
  3. Step 3: Cross multiply
    1,012,878.32x = 1,397,760.75 × 554,006.07
  4. Step 4: Simplify right side
    1,012,878.32x = 774,367,939,907.75
  5. Step 5: Solve for x
    x = 774,367,939,907.75/1,012,878.32
  6. Step 6: Final answer
    x = 764,522.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.