Home / 1,140,831.60-1,573,853.40-687,870.96

Finding the Fourth Proportional to 1,140,831.60, 1,573,853.40 and 687,870.96

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Solution

The fourth proportional to 1,140,831.60, 1,573,853.40 and 687,870.96 is: 948,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,831.60 : 1,573,853.40 = 687,870.96 : x
  2. Step 2: Convert to fraction form
    1,140,831.60/1,573,853.40 = 687,870.96/x
  3. Step 3: Cross multiply
    1,140,831.60x = 1,573,853.40 × 687,870.96
  4. Step 4: Simplify right side
    1,140,831.60x = 1,082,608,049,157.26
  5. Step 5: Solve for x
    x = 1,082,608,049,157.26/1,140,831.60
  6. Step 6: Final answer
    x = 948,963.94

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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.