Home / 1,358,633.08-2,038,503.18-684,908.56

Finding the Fourth Proportional to 1,358,633.08, 2,038,503.18 and 684,908.56

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Solution

The fourth proportional to 1,358,633.08, 2,038,503.18 and 684,908.56 is: 1,027,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,633.08 : 2,038,503.18 = 684,908.56 : x
  2. Step 2: Convert to fraction form
    1,358,633.08/2,038,503.18 = 684,908.56/x
  3. Step 3: Cross multiply
    1,358,633.08x = 2,038,503.18 × 684,908.56
  4. Step 4: Simplify right side
    1,358,633.08x = 1,396,188,267,376.71
  5. Step 5: Solve for x
    x = 1,396,188,267,376.71/1,358,633.08
  6. Step 6: Final answer
    x = 1,027,641.89

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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.