Home / 1,387,919.80-2,082,657.30-589,065.40

Finding the Fourth Proportional to 1,387,919.80, 2,082,657.30 and 589,065.40

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Solution

The fourth proportional to 1,387,919.80, 2,082,657.30 and 589,065.40 is: 883,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,919.80 : 2,082,657.30 = 589,065.40 : x
  2. Step 2: Convert to fraction form
    1,387,919.80/2,082,657.30 = 589,065.40/x
  3. Step 3: Cross multiply
    1,387,919.80x = 2,082,657.30 × 589,065.40
  4. Step 4: Simplify right side
    1,387,919.80x = 1,226,821,355,487.42
  5. Step 5: Solve for x
    x = 1,226,821,355,487.42/1,387,919.80
  6. Step 6: Final answer
    x = 883,928.13

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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.