Home / 1,206,051.96-1,665,130.56-747,656.40

Finding the Fourth Proportional to 1,206,051.96, 1,665,130.56 and 747,656.40

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Solution

The fourth proportional to 1,206,051.96, 1,665,130.56 and 747,656.40 is: 1,032,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,051.96 : 1,665,130.56 = 747,656.40 : x
  2. Step 2: Convert to fraction form
    1,206,051.96/1,665,130.56 = 747,656.40/x
  3. Step 3: Cross multiply
    1,206,051.96x = 1,665,130.56 × 747,656.40
  4. Step 4: Simplify right side
    1,206,051.96x = 1,244,945,520,019.58
  5. Step 5: Solve for x
    x = 1,244,945,520,019.58/1,206,051.96
  6. Step 6: Final answer
    x = 1,032,248.66

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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.