Home / 1,443,801.41-2,167,831.08-805,352.57

Finding the Fourth Proportional to 1,443,801.41, 2,167,831.08 and 805,352.57

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Solution

The fourth proportional to 1,443,801.41, 2,167,831.08 and 805,352.57 is: 1,209,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,801.41 : 2,167,831.08 = 805,352.57 : x
  2. Step 2: Convert to fraction form
    1,443,801.41/2,167,831.08 = 805,352.57/x
  3. Step 3: Cross multiply
    1,443,801.41x = 2,167,831.08 × 805,352.57
  4. Step 4: Simplify right side
    1,443,801.41x = 1,745,868,331,603.88
  5. Step 5: Solve for x
    x = 1,745,868,331,603.88/1,443,801.41
  6. Step 6: Final answer
    x = 1,209,216.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.