Home / 942,120.01-1,406,798.53-747,814.48

Finding the Fourth Proportional to 942,120.01, 1,406,798.53 and 747,814.48

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Solution

The fourth proportional to 942,120.01, 1,406,798.53 and 747,814.48 is: 1,116,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,120.01 : 1,406,798.53 = 747,814.48 : x
  2. Step 2: Convert to fraction form
    942,120.01/1,406,798.53 = 747,814.48/x
  3. Step 3: Cross multiply
    942,120.01x = 1,406,798.53 × 747,814.48
  4. Step 4: Simplify right side
    942,120.01x = 1,052,024,309,996.64
  5. Step 5: Solve for x
    x = 1,052,024,309,996.64/942,120.01
  6. Step 6: Final answer
    x = 1,116,656.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.