Home / 1,457,570.67-2,011,442.27-812,990.37

Finding the Fourth Proportional to 1,457,570.67, 2,011,442.27 and 812,990.37

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Solution

The fourth proportional to 1,457,570.67, 2,011,442.27 and 812,990.37 is: 1,121,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,570.67 : 2,011,442.27 = 812,990.37 : x
  2. Step 2: Convert to fraction form
    1,457,570.67/2,011,442.27 = 812,990.37/x
  3. Step 3: Cross multiply
    1,457,570.67x = 2,011,442.27 × 812,990.37
  4. Step 4: Simplify right side
    1,457,570.67x = 1,635,283,191,255.99
  5. Step 5: Solve for x
    x = 1,635,283,191,255.99/1,457,570.67
  6. Step 6: Final answer
    x = 1,121,923.78

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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.