Home / 1,247,163.60-1,866,074.40-888,164.40

Finding the Fourth Proportional to 1,247,163.60, 1,866,074.40 and 888,164.40

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Solution

The fourth proportional to 1,247,163.60, 1,866,074.40 and 888,164.40 is: 1,328,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,163.60 : 1,866,074.40 = 888,164.40 : x
  2. Step 2: Convert to fraction form
    1,247,163.60/1,866,074.40 = 888,164.40/x
  3. Step 3: Cross multiply
    1,247,163.60x = 1,866,074.40 × 888,164.40
  4. Step 4: Simplify right side
    1,247,163.60x = 1,657,380,849,831.36
  5. Step 5: Solve for x
    x = 1,657,380,849,831.36/1,247,163.60
  6. Step 6: Final answer
    x = 1,328,920.16

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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.