Home / 1,108,369.96-1,529,637.18-618,493.50

Finding the Fourth Proportional to 1,108,369.96, 1,529,637.18 and 618,493.50

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Solution

The fourth proportional to 1,108,369.96, 1,529,637.18 and 618,493.50 is: 853,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,369.96 : 1,529,637.18 = 618,493.50 : x
  2. Step 2: Convert to fraction form
    1,108,369.96/1,529,637.18 = 618,493.50/x
  3. Step 3: Cross multiply
    1,108,369.96x = 1,529,637.18 × 618,493.50
  4. Step 4: Simplify right side
    1,108,369.96x = 946,070,653,188.33
  5. Step 5: Solve for x
    x = 946,070,653,188.33/1,108,369.96
  6. Step 6: Final answer
    x = 853,569.37

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Double scale
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1.5x scale

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.