Home / 1,376,870.85-2,065,397.40-365,978.70

Finding the Fourth Proportional to 1,376,870.85, 2,065,397.40 and 365,978.70

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Solution

The fourth proportional to 1,376,870.85, 2,065,397.40 and 365,978.70 is: 548,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,870.85 : 2,065,397.40 = 365,978.70 : x
  2. Step 2: Convert to fraction form
    1,376,870.85/2,065,397.40 = 365,978.70/x
  3. Step 3: Cross multiply
    1,376,870.85x = 2,065,397.40 × 365,978.70
  4. Step 4: Simplify right side
    1,376,870.85x = 755,891,455,435.38
  5. Step 5: Solve for x
    x = 755,891,455,435.38/1,376,870.85
  6. Step 6: Final answer
    x = 548,992.27

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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.