Home / 1,191,506.27-1,645,070.46-915,372.35

Finding the Fourth Proportional to 1,191,506.27, 1,645,070.46 and 915,372.35

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Solution

The fourth proportional to 1,191,506.27, 1,645,070.46 and 915,372.35 is: 1,263,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,506.27 : 1,645,070.46 = 915,372.35 : x
  2. Step 2: Convert to fraction form
    1,191,506.27/1,645,070.46 = 915,372.35/x
  3. Step 3: Cross multiply
    1,191,506.27x = 1,645,070.46 × 915,372.35
  4. Step 4: Simplify right side
    1,191,506.27x = 1,505,852,004,660.43
  5. Step 5: Solve for x
    x = 1,505,852,004,660.43/1,191,506.27
  6. Step 6: Final answer
    x = 1,263,822.15

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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.