Home / 993,895.80-1,490,843.70-678,967.80

Finding the Fourth Proportional to 993,895.80, 1,490,843.70 and 678,967.80

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Solution

The fourth proportional to 993,895.80, 1,490,843.70 and 678,967.80 is: 1,018,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,895.80 : 1,490,843.70 = 678,967.80 : x
  2. Step 2: Convert to fraction form
    993,895.80/1,490,843.70 = 678,967.80/x
  3. Step 3: Cross multiply
    993,895.80x = 1,490,843.70 × 678,967.80
  4. Step 4: Simplify right side
    993,895.80x = 1,012,234,867,132.86
  5. Step 5: Solve for x
    x = 1,012,234,867,132.86/993,895.80
  6. Step 6: Final answer
    x = 1,018,451.70

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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.