Home / 1,159,942.73-1,740,066.90-430,366.67

Finding the Fourth Proportional to 1,159,942.73, 1,740,066.90 and 430,366.67

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Solution

The fourth proportional to 1,159,942.73, 1,740,066.90 and 430,366.67 is: 645,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,942.73 : 1,740,066.90 = 430,366.67 : x
  2. Step 2: Convert to fraction form
    1,159,942.73/1,740,066.90 = 430,366.67/x
  3. Step 3: Cross multiply
    1,159,942.73x = 1,740,066.90 × 430,366.67
  4. Step 4: Simplify right side
    1,159,942.73x = 748,866,803,294.27
  5. Step 5: Solve for x
    x = 748,866,803,294.27/1,159,942.73
  6. Step 6: Final answer
    x = 645,606.71

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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.