Home / 997,629.90-1,496,444.85-678,765.30

Finding the Fourth Proportional to 997,629.90, 1,496,444.85 and 678,765.30

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Solution

The fourth proportional to 997,629.90, 1,496,444.85 and 678,765.30 is: 1,018,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,629.90 : 1,496,444.85 = 678,765.30 : x
  2. Step 2: Convert to fraction form
    997,629.90/1,496,444.85 = 678,765.30/x
  3. Step 3: Cross multiply
    997,629.90x = 1,496,444.85 × 678,765.30
  4. Step 4: Simplify right side
    997,629.90x = 1,015,734,837,543.71
  5. Step 5: Solve for x
    x = 1,015,734,837,543.71/997,629.90
  6. Step 6: Final answer
    x = 1,018,147.95

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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.