Home / 1,186,980.58-1,637,435.96-779,025.79

Finding the Fourth Proportional to 1,186,980.58, 1,637,435.96 and 779,025.79

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Solution

The fourth proportional to 1,186,980.58, 1,637,435.96 and 779,025.79 is: 1,074,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,980.58 : 1,637,435.96 = 779,025.79 : x
  2. Step 2: Convert to fraction form
    1,186,980.58/1,637,435.96 = 779,025.79/x
  3. Step 3: Cross multiply
    1,186,980.58x = 1,637,435.96 × 779,025.79
  4. Step 4: Simplify right side
    1,186,980.58x = 1,275,604,830,231.10
  5. Step 5: Solve for x
    x = 1,275,604,830,231.10/1,186,980.58
  6. Step 6: Final answer
    x = 1,074,663.61

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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.