Home / 1,289,162.34-1,778,939.90-745,333.16

Finding the Fourth Proportional to 1,289,162.34, 1,778,939.90 and 745,333.16

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Solution

The fourth proportional to 1,289,162.34, 1,778,939.90 and 745,333.16 is: 1,028,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,162.34 : 1,778,939.90 = 745,333.16 : x
  2. Step 2: Convert to fraction form
    1,289,162.34/1,778,939.90 = 745,333.16/x
  3. Step 3: Cross multiply
    1,289,162.34x = 1,778,939.90 × 745,333.16
  4. Step 4: Simplify right side
    1,289,162.34x = 1,325,902,897,117.08
  5. Step 5: Solve for x
    x = 1,325,902,897,117.08/1,289,162.34
  6. Step 6: Final answer
    x = 1,028,499.56

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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.