Home / 1,039,357.40-1,557,723.90-505,729.40

Finding the Fourth Proportional to 1,039,357.40, 1,557,723.90 and 505,729.40

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Solution

The fourth proportional to 1,039,357.40, 1,557,723.90 and 505,729.40 is: 757,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,357.40 : 1,557,723.90 = 505,729.40 : x
  2. Step 2: Convert to fraction form
    1,039,357.40/1,557,723.90 = 505,729.40/x
  3. Step 3: Cross multiply
    1,039,357.40x = 1,557,723.90 × 505,729.40
  4. Step 4: Simplify right side
    1,039,357.40x = 787,786,773,312.66
  5. Step 5: Solve for x
    x = 787,786,773,312.66/1,039,357.40
  6. Step 6: Final answer
    x = 757,955.61

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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.