Home / 1,208,723.20-1,813,084.80-788,473.60

Finding the Fourth Proportional to 1,208,723.20, 1,813,084.80 and 788,473.60

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Solution

The fourth proportional to 1,208,723.20, 1,813,084.80 and 788,473.60 is: 1,182,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,723.20 : 1,813,084.80 = 788,473.60 : x
  2. Step 2: Convert to fraction form
    1,208,723.20/1,813,084.80 = 788,473.60/x
  3. Step 3: Cross multiply
    1,208,723.20x = 1,813,084.80 × 788,473.60
  4. Step 4: Simplify right side
    1,208,723.20x = 1,429,569,499,361.28
  5. Step 5: Solve for x
    x = 1,429,569,499,361.28/1,208,723.20
  6. Step 6: Final answer
    x = 1,182,710.40

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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.