Home / 993,086.70-1,489,630.05-638,501.10

Finding the Fourth Proportional to 993,086.70, 1,489,630.05 and 638,501.10

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Solution

The fourth proportional to 993,086.70, 1,489,630.05 and 638,501.10 is: 957,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,086.70 : 1,489,630.05 = 638,501.10 : x
  2. Step 2: Convert to fraction form
    993,086.70/1,489,630.05 = 638,501.10/x
  3. Step 3: Cross multiply
    993,086.70x = 1,489,630.05 × 638,501.10
  4. Step 4: Simplify right side
    993,086.70x = 951,130,425,518.06
  5. Step 5: Solve for x
    x = 951,130,425,518.06/993,086.70
  6. Step 6: Final answer
    x = 957,751.65

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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.