Home / 1,155,199.76-1,594,210.92-645,992.72

Finding the Fourth Proportional to 1,155,199.76, 1,594,210.92 and 645,992.72

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Solution

The fourth proportional to 1,155,199.76, 1,594,210.92 and 645,992.72 is: 891,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,199.76 : 1,594,210.92 = 645,992.72 : x
  2. Step 2: Convert to fraction form
    1,155,199.76/1,594,210.92 = 645,992.72/x
  3. Step 3: Cross multiply
    1,155,199.76x = 1,594,210.92 × 645,992.72
  4. Step 4: Simplify right side
    1,155,199.76x = 1,029,848,648,464.50
  5. Step 5: Solve for x
    x = 1,029,848,648,464.50/1,155,199.76
  6. Step 6: Final answer
    x = 891,489.67

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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.