Home / 1,159,136.58-1,737,477.70-389,902

Finding the Fourth Proportional to 1,159,136.58, 1,737,477.70 and 389,902

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Solution

The fourth proportional to 1,159,136.58, 1,737,477.70 and 389,902 is: 584,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,136.58 : 1,737,477.70 = 389,902 : x
  2. Step 2: Convert to fraction form
    1,159,136.58/1,737,477.70 = 389,902/x
  3. Step 3: Cross multiply
    1,159,136.58x = 1,737,477.70 × 389,902
  4. Step 4: Simplify right side
    1,159,136.58x = 677,446,030,185.40
  5. Step 5: Solve for x
    x = 677,446,030,185.40/1,159,136.58
  6. Step 6: Final answer
    x = 584,440.21

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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.