Home / 1,189,132.12-1,640,316.04-758,927.35

Finding the Fourth Proportional to 1,189,132.12, 1,640,316.04 and 758,927.35

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Solution

The fourth proportional to 1,189,132.12, 1,640,316.04 and 758,927.35 is: 1,046,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,132.12 : 1,640,316.04 = 758,927.35 : x
  2. Step 2: Convert to fraction form
    1,189,132.12/1,640,316.04 = 758,927.35/x
  3. Step 3: Cross multiply
    1,189,132.12x = 1,640,316.04 × 758,927.35
  4. Step 4: Simplify right side
    1,189,132.12x = 1,244,880,705,399.69
  5. Step 5: Solve for x
    x = 1,244,880,705,399.69/1,189,132.12
  6. Step 6: Final answer
    x = 1,046,881.74

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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.