Home / 1,190,049.12-1,641,857.40-760,580.64

Finding the Fourth Proportional to 1,190,049.12, 1,641,857.40 and 760,580.64

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Solution

The fourth proportional to 1,190,049.12, 1,641,857.40 and 760,580.64 is: 1,049,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,049.12 : 1,641,857.40 = 760,580.64 : x
  2. Step 2: Convert to fraction form
    1,190,049.12/1,641,857.40 = 760,580.64/x
  3. Step 3: Cross multiply
    1,190,049.12x = 1,641,857.40 × 760,580.64
  4. Step 4: Simplify right side
    1,190,049.12x = 1,248,764,952,080.74
  5. Step 5: Solve for x
    x = 1,248,764,952,080.74/1,190,049.12
  6. Step 6: Final answer
    x = 1,049,339.00

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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.