Home / 1,435,421.80-2,153,466.22-488,800.72

Finding the Fourth Proportional to 1,435,421.80, 2,153,466.22 and 488,800.72

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Solution

The fourth proportional to 1,435,421.80, 2,153,466.22 and 488,800.72 is: 733,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,421.80 : 2,153,466.22 = 488,800.72 : x
  2. Step 2: Convert to fraction form
    1,435,421.80/2,153,466.22 = 488,800.72/x
  3. Step 3: Cross multiply
    1,435,421.80x = 2,153,466.22 × 488,800.72
  4. Step 4: Simplify right side
    1,435,421.80x = 1,052,615,838,831.68
  5. Step 5: Solve for x
    x = 1,052,615,838,831.68/1,435,421.80
  6. Step 6: Final answer
    x = 733,314.65

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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.