Home / 1,243,537.80-1,865,306.70-994,705.80

Finding the Fourth Proportional to 1,243,537.80, 1,865,306.70 and 994,705.80

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Solution

The fourth proportional to 1,243,537.80, 1,865,306.70 and 994,705.80 is: 1,492,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,537.80 : 1,865,306.70 = 994,705.80 : x
  2. Step 2: Convert to fraction form
    1,243,537.80/1,865,306.70 = 994,705.80/x
  3. Step 3: Cross multiply
    1,243,537.80x = 1,865,306.70 × 994,705.80
  4. Step 4: Simplify right side
    1,243,537.80x = 1,855,431,393,268.86
  5. Step 5: Solve for x
    x = 1,855,431,393,268.86/1,243,537.80
  6. Step 6: Final answer
    x = 1,492,058.70

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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.