Home / 1,369,996.30-1,890,592.23-766,384.30

Finding the Fourth Proportional to 1,369,996.30, 1,890,592.23 and 766,384.30

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Solution

The fourth proportional to 1,369,996.30, 1,890,592.23 and 766,384.30 is: 1,057,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,996.30 : 1,890,592.23 = 766,384.30 : x
  2. Step 2: Convert to fraction form
    1,369,996.30/1,890,592.23 = 766,384.30/x
  3. Step 3: Cross multiply
    1,369,996.30x = 1,890,592.23 × 766,384.30
  4. Step 4: Simplify right side
    1,369,996.30x = 1,448,920,202,773.99
  5. Step 5: Solve for x
    x = 1,448,920,202,773.99/1,369,996.30
  6. Step 6: Final answer
    x = 1,057,608.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.