Home / 1,243,339-1,865,008.50-401,890.75

Finding the Fourth Proportional to 1,243,339, 1,865,008.50 and 401,890.75

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Solution

The fourth proportional to 1,243,339, 1,865,008.50 and 401,890.75 is: 602,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,339 : 1,865,008.50 = 401,890.75 : x
  2. Step 2: Convert to fraction form
    1,243,339/1,865,008.50 = 401,890.75/x
  3. Step 3: Cross multiply
    1,243,339x = 1,865,008.50 × 401,890.75
  4. Step 4: Simplify right side
    1,243,339x = 749,529,664,821.38
  5. Step 5: Solve for x
    x = 749,529,664,821.38/1,243,339
  6. Step 6: Final answer
    x = 602,836.13

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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.