Home / 1,189,667.04-1,784,501.70-978,861.84

Finding the Fourth Proportional to 1,189,667.04, 1,784,501.70 and 978,861.84

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Solution

The fourth proportional to 1,189,667.04, 1,784,501.70 and 978,861.84 is: 1,468,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,667.04 : 1,784,501.70 = 978,861.84 : x
  2. Step 2: Convert to fraction form
    1,189,667.04/1,784,501.70 = 978,861.84/x
  3. Step 3: Cross multiply
    1,189,667.04x = 1,784,501.70 × 978,861.84
  4. Step 4: Simplify right side
    1,189,667.04x = 1,746,780,617,545.13
  5. Step 5: Solve for x
    x = 1,746,780,617,545.13/1,189,667.04
  6. Step 6: Final answer
    x = 1,468,293.70

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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.