Home / 1,377,000.70-2,065,501.05-479,455.90

Finding the Fourth Proportional to 1,377,000.70, 2,065,501.05 and 479,455.90

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Solution

The fourth proportional to 1,377,000.70, 2,065,501.05 and 479,455.90 is: 719,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,000.70 : 2,065,501.05 = 479,455.90 : x
  2. Step 2: Convert to fraction form
    1,377,000.70/2,065,501.05 = 479,455.90/x
  3. Step 3: Cross multiply
    1,377,000.70x = 2,065,501.05 × 479,455.90
  4. Step 4: Simplify right side
    1,377,000.70x = 990,316,664,878.70
  5. Step 5: Solve for x
    x = 990,316,664,878.70/1,377,000.70
  6. Step 6: Final answer
    x = 719,183.85

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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.