Home / 1,134,129.88-1,565,103.12-624,831.04

Finding the Fourth Proportional to 1,134,129.88, 1,565,103.12 and 624,831.04

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Solution

The fourth proportional to 1,134,129.88, 1,565,103.12 and 624,831.04 is: 862,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,129.88 : 1,565,103.12 = 624,831.04 : x
  2. Step 2: Convert to fraction form
    1,134,129.88/1,565,103.12 = 624,831.04/x
  3. Step 3: Cross multiply
    1,134,129.88x = 1,565,103.12 × 624,831.04
  4. Step 4: Simplify right side
    1,134,129.88x = 977,925,010,176.85
  5. Step 5: Solve for x
    x = 977,925,010,176.85/1,134,129.88
  6. Step 6: Final answer
    x = 862,268.98

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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.