Home / 829,521.86-1,243,126.05-626,951.66

Finding the Fourth Proportional to 829,521.86, 1,243,126.05 and 626,951.66

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Solution

The fourth proportional to 829,521.86, 1,243,126.05 and 626,951.66 is: 939,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,521.86 : 1,243,126.05 = 626,951.66 : x
  2. Step 2: Convert to fraction form
    829,521.86/1,243,126.05 = 626,951.66/x
  3. Step 3: Cross multiply
    829,521.86x = 1,243,126.05 × 626,951.66
  4. Step 4: Simplify right side
    829,521.86x = 779,379,934,421.11
  5. Step 5: Solve for x
    x = 779,379,934,421.11/829,521.86
  6. Step 6: Final answer
    x = 939,553.23

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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.