Home / 1,472,739.40-2,032,367.64-828,145.86

Finding the Fourth Proportional to 1,472,739.40, 2,032,367.64 and 828,145.86

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Solution

The fourth proportional to 1,472,739.40, 2,032,367.64 and 828,145.86 is: 1,142,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,739.40 : 2,032,367.64 = 828,145.86 : x
  2. Step 2: Convert to fraction form
    1,472,739.40/2,032,367.64 = 828,145.86/x
  3. Step 3: Cross multiply
    1,472,739.40x = 2,032,367.64 × 828,145.86
  4. Step 4: Simplify right side
    1,472,739.40x = 1,683,096,847,063.97
  5. Step 5: Solve for x
    x = 1,683,096,847,063.97/1,472,739.40
  6. Step 6: Final answer
    x = 1,142,834.13

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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.