Home / 1,006,671.20-1,389,205.32-553,962.20

Finding the Fourth Proportional to 1,006,671.20, 1,389,205.32 and 553,962.20

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Solution

The fourth proportional to 1,006,671.20, 1,389,205.32 and 553,962.20 is: 764,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,671.20 : 1,389,205.32 = 553,962.20 : x
  2. Step 2: Convert to fraction form
    1,006,671.20/1,389,205.32 = 553,962.20/x
  3. Step 3: Cross multiply
    1,006,671.20x = 1,389,205.32 × 553,962.20
  4. Step 4: Simplify right side
    1,006,671.20x = 769,567,235,318.90
  5. Step 5: Solve for x
    x = 769,567,235,318.90/1,006,671.20
  6. Step 6: Final answer
    x = 764,467.32

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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.