Home / 1,006,435.12-1,388,852.04-553,726.16

Finding the Fourth Proportional to 1,006,435.12, 1,388,852.04 and 553,726.16

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Solution

The fourth proportional to 1,006,435.12, 1,388,852.04 and 553,726.16 is: 764,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,435.12 : 1,388,852.04 = 553,726.16 : x
  2. Step 2: Convert to fraction form
    1,006,435.12/1,388,852.04 = 553,726.16/x
  3. Step 3: Cross multiply
    1,006,435.12x = 1,388,852.04 × 553,726.16
  4. Step 4: Simplify right side
    1,006,435.12x = 769,043,706,917.37
  5. Step 5: Solve for x
    x = 769,043,706,917.37/1,006,435.12
  6. Step 6: Final answer
    x = 764,126.46

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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.