Home / 1,189,129.53-1,640,312.46-758,924.76

Finding the Fourth Proportional to 1,189,129.53, 1,640,312.46 and 758,924.76

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Solution

The fourth proportional to 1,189,129.53, 1,640,312.46 and 758,924.76 is: 1,046,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,129.53 : 1,640,312.46 = 758,924.76 : x
  2. Step 2: Convert to fraction form
    1,189,129.53/1,640,312.46 = 758,924.76/x
  3. Step 3: Cross multiply
    1,189,129.53x = 1,640,312.46 × 758,924.76
  4. Step 4: Simplify right side
    1,189,129.53x = 1,244,873,740,030.51
  5. Step 5: Solve for x
    x = 1,244,873,740,030.51/1,189,129.53
  6. Step 6: Final answer
    x = 1,046,878.16

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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.