Home / 1,152,860.56-1,590,974.40-723,158.80

Finding the Fourth Proportional to 1,152,860.56, 1,590,974.40 and 723,158.80

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Solution

The fourth proportional to 1,152,860.56, 1,590,974.40 and 723,158.80 is: 997,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,860.56 : 1,590,974.40 = 723,158.80 : x
  2. Step 2: Convert to fraction form
    1,152,860.56/1,590,974.40 = 723,158.80/x
  3. Step 3: Cross multiply
    1,152,860.56x = 1,590,974.40 × 723,158.80
  4. Step 4: Simplify right side
    1,152,860.56x = 1,150,527,137,934.72
  5. Step 5: Solve for x
    x = 1,150,527,137,934.72/1,152,860.56
  6. Step 6: Final answer
    x = 997,975.97

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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.