Home / 1,006,114.12-1,388,408.52-553,405.12

Finding the Fourth Proportional to 1,006,114.12, 1,388,408.52 and 553,405.12

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Solution

The fourth proportional to 1,006,114.12, 1,388,408.52 and 553,405.12 is: 763,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,114.12 : 1,388,408.52 = 553,405.12 : x
  2. Step 2: Convert to fraction form
    1,006,114.12/1,388,408.52 = 553,405.12/x
  3. Step 3: Cross multiply
    1,006,114.12x = 1,388,408.52 × 553,405.12
  4. Step 4: Simplify right side
    1,006,114.12x = 768,352,383,619.62
  5. Step 5: Solve for x
    x = 768,352,383,619.62/1,006,114.12
  6. Step 6: Final answer
    x = 763,683.13

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1.5x scale

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.