Home / 1,438,566.57-1,985,080.53-793,945.13

Finding the Fourth Proportional to 1,438,566.57, 1,985,080.53 and 793,945.13

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Solution

The fourth proportional to 1,438,566.57, 1,985,080.53 and 793,945.13 is: 1,095,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,566.57 : 1,985,080.53 = 793,945.13 : x
  2. Step 2: Convert to fraction form
    1,438,566.57/1,985,080.53 = 793,945.13/x
  3. Step 3: Cross multiply
    1,438,566.57x = 1,985,080.53 × 793,945.13
  4. Step 4: Simplify right side
    1,438,566.57x = 1,576,045,019,451.32
  5. Step 5: Solve for x
    x = 1,576,045,019,451.32/1,438,566.57
  6. Step 6: Final answer
    x = 1,095,566.28

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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.