Home / 1,473,678.72-2,210,518.08-408,720.78

Finding the Fourth Proportional to 1,473,678.72, 2,210,518.08 and 408,720.78

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Solution

The fourth proportional to 1,473,678.72, 2,210,518.08 and 408,720.78 is: 613,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,678.72 : 2,210,518.08 = 408,720.78 : x
  2. Step 2: Convert to fraction form
    1,473,678.72/2,210,518.08 = 408,720.78/x
  3. Step 3: Cross multiply
    1,473,678.72x = 2,210,518.08 × 408,720.78
  4. Step 4: Simplify right side
    1,473,678.72x = 903,484,673,861.70
  5. Step 5: Solve for x
    x = 903,484,673,861.70/1,473,678.72
  6. Step 6: Final answer
    x = 613,081.17

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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.