Home / 1,318,430.67-1,977,723.23-508,819.34

Finding the Fourth Proportional to 1,318,430.67, 1,977,723.23 and 508,819.34

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Solution

The fourth proportional to 1,318,430.67, 1,977,723.23 and 508,819.34 is: 763,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,430.67 : 1,977,723.23 = 508,819.34 : x
  2. Step 2: Convert to fraction form
    1,318,430.67/1,977,723.23 = 508,819.34/x
  3. Step 3: Cross multiply
    1,318,430.67x = 1,977,723.23 × 508,819.34
  4. Step 4: Simplify right side
    1,318,430.67x = 1,006,303,816,158.56
  5. Step 5: Solve for x
    x = 1,006,303,816,158.56/1,318,430.67
  6. Step 6: Final answer
    x = 763,258.80

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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.