Home / 1,424,205.18-2,134,831.55-890,500.64

Finding the Fourth Proportional to 1,424,205.18, 2,134,831.55 and 890,500.64

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Solution

The fourth proportional to 1,424,205.18, 2,134,831.55 and 890,500.64 is: 1,334,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,205.18 : 2,134,831.55 = 890,500.64 : x
  2. Step 2: Convert to fraction form
    1,424,205.18/2,134,831.55 = 890,500.64/x
  3. Step 3: Cross multiply
    1,424,205.18x = 2,134,831.55 × 890,500.64
  4. Step 4: Simplify right side
    1,424,205.18x = 1,901,068,846,440.53
  5. Step 5: Solve for x
    x = 1,901,068,846,440.53/1,424,205.18
  6. Step 6: Final answer
    x = 1,334,827.93

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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.