Home / 1,306,581.60-1,958,945.76-507,189.36

Finding the Fourth Proportional to 1,306,581.60, 1,958,945.76 and 507,189.36

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Solution

The fourth proportional to 1,306,581.60, 1,958,945.76 and 507,189.36 is: 760,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,581.60 : 1,958,945.76 = 507,189.36 : x
  2. Step 2: Convert to fraction form
    1,306,581.60/1,958,945.76 = 507,189.36/x
  3. Step 3: Cross multiply
    1,306,581.60x = 1,958,945.76 × 507,189.36
  4. Step 4: Simplify right side
    1,306,581.60x = 993,556,446,289.11
  5. Step 5: Solve for x
    x = 993,556,446,289.11/1,306,581.60
  6. Step 6: Final answer
    x = 760,424.34

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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.