Home / 1,108,774.93-1,530,106.52-618,739.30

Finding the Fourth Proportional to 1,108,774.93, 1,530,106.52 and 618,739.30

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Solution

The fourth proportional to 1,108,774.93, 1,530,106.52 and 618,739.30 is: 853,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,774.93 : 1,530,106.52 = 618,739.30 : x
  2. Step 2: Convert to fraction form
    1,108,774.93/1,530,106.52 = 618,739.30/x
  3. Step 3: Cross multiply
    1,108,774.93x = 1,530,106.52 × 618,739.30
  4. Step 4: Simplify right side
    1,108,774.93x = 946,737,026,366.01
  5. Step 5: Solve for x
    x = 946,737,026,366.01/1,108,774.93
  6. Step 6: Final answer
    x = 853,858.62

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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.