Home / 1,158,315.90-1,737,562.66-389,817.36

Finding the Fourth Proportional to 1,158,315.90, 1,737,562.66 and 389,817.36

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Solution

The fourth proportional to 1,158,315.90, 1,737,562.66 and 389,817.36 is: 584,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,315.90 : 1,737,562.66 = 389,817.36 : x
  2. Step 2: Convert to fraction form
    1,158,315.90/1,737,562.66 = 389,817.36/x
  3. Step 3: Cross multiply
    1,158,315.90x = 1,737,562.66 × 389,817.36
  4. Step 4: Simplify right side
    1,158,315.90x = 677,332,088,955.78
  5. Step 5: Solve for x
    x = 677,332,088,955.78/1,158,315.90
  6. Step 6: Final answer
    x = 584,755.93

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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.