Home / 1,161,078.00-1,602,291.48-644,833.20

Finding the Fourth Proportional to 1,161,078.00, 1,602,291.48 and 644,833.20

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Solution

The fourth proportional to 1,161,078.00, 1,602,291.48 and 644,833.20 is: 889,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,078.00 : 1,602,291.48 = 644,833.20 : x
  2. Step 2: Convert to fraction form
    1,161,078.00/1,602,291.48 = 644,833.20/x
  3. Step 3: Cross multiply
    1,161,078.00x = 1,602,291.48 × 644,833.20
  4. Step 4: Simplify right side
    1,161,078.00x = 1,033,210,745,971.60
  5. Step 5: Solve for x
    x = 1,033,210,745,971.60/1,161,078.00
  6. Step 6: Final answer
    x = 889,871.95

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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.