Home / 1,472,716.80-2,032,243.20-828,230.40

Finding the Fourth Proportional to 1,472,716.80, 2,032,243.20 and 828,230.40

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Solution

The fourth proportional to 1,472,716.80, 2,032,243.20 and 828,230.40 is: 1,142,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,716.80 : 2,032,243.20 = 828,230.40 : x
  2. Step 2: Convert to fraction form
    1,472,716.80/2,032,243.20 = 828,230.40/x
  3. Step 3: Cross multiply
    1,472,716.80x = 2,032,243.20 × 828,230.40
  4. Step 4: Simplify right side
    1,472,716.80x = 1,683,165,598,433.28
  5. Step 5: Solve for x
    x = 1,683,165,598,433.28/1,472,716.80
  6. Step 6: Final answer
    x = 1,142,898.35

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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.