Home / 1,434,490.50-1,979,596.89-789,909.16

Finding the Fourth Proportional to 1,434,490.50, 1,979,596.89 and 789,909.16

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Solution

The fourth proportional to 1,434,490.50, 1,979,596.89 and 789,909.16 is: 1,090,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,490.50 : 1,979,596.89 = 789,909.16 : x
  2. Step 2: Convert to fraction form
    1,434,490.50/1,979,596.89 = 789,909.16/x
  3. Step 3: Cross multiply
    1,434,490.50x = 1,979,596.89 × 789,909.16
  4. Step 4: Simplify right side
    1,434,490.50x = 1,563,701,711,569.52
  5. Step 5: Solve for x
    x = 1,563,701,711,569.52/1,434,490.50
  6. Step 6: Final answer
    x = 1,090,074.64

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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.