Home / 917,125.80-1,377,000.90-694,051.80

Finding the Fourth Proportional to 917,125.80, 1,377,000.90 and 694,051.80

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Solution

The fourth proportional to 917,125.80, 1,377,000.90 and 694,051.80 is: 1,042,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,125.80 : 1,377,000.90 = 694,051.80 : x
  2. Step 2: Convert to fraction form
    917,125.80/1,377,000.90 = 694,051.80/x
  3. Step 3: Cross multiply
    917,125.80x = 1,377,000.90 × 694,051.80
  4. Step 4: Simplify right side
    917,125.80x = 955,709,953,246.62
  5. Step 5: Solve for x
    x = 955,709,953,246.62/917,125.80
  6. Step 6: Final answer
    x = 1,042,070.73

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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.