Home / 1,190,727.08-1,643,196.80-646,858.52

Finding the Fourth Proportional to 1,190,727.08, 1,643,196.80 and 646,858.52

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Solution

The fourth proportional to 1,190,727.08, 1,643,196.80 and 646,858.52 is: 892,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,727.08 : 1,643,196.80 = 646,858.52 : x
  2. Step 2: Convert to fraction form
    1,190,727.08/1,643,196.80 = 646,858.52/x
  3. Step 3: Cross multiply
    1,190,727.08x = 1,643,196.80 × 646,858.52
  4. Step 4: Simplify right side
    1,190,727.08x = 1,062,915,838,666.46
  5. Step 5: Solve for x
    x = 1,062,915,838,666.46/1,190,727.08
  6. Step 6: Final answer
    x = 892,661.18

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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.