Home / 1,555,652.48-2,146,723.44-876,632.72

Finding the Fourth Proportional to 1,555,652.48, 2,146,723.44 and 876,632.72

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Solution

The fourth proportional to 1,555,652.48, 2,146,723.44 and 876,632.72 is: 1,209,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,652.48 : 2,146,723.44 = 876,632.72 : x
  2. Step 2: Convert to fraction form
    1,555,652.48/2,146,723.44 = 876,632.72/x
  3. Step 3: Cross multiply
    1,555,652.48x = 2,146,723.44 × 876,632.72
  4. Step 4: Simplify right side
    1,555,652.48x = 1,881,888,008,294.96
  5. Step 5: Solve for x
    x = 1,881,888,008,294.96/1,555,652.48
  6. Step 6: Final answer
    x = 1,209,709.77

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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.