Home / 1,086,298.92-1,499,768.73-1,018,516.50

Finding the Fourth Proportional to 1,086,298.92, 1,499,768.73 and 1,018,516.50

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Solution

The fourth proportional to 1,086,298.92, 1,499,768.73 and 1,018,516.50 is: 1,406,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,298.92 : 1,499,768.73 = 1,018,516.50 : x
  2. Step 2: Convert to fraction form
    1,086,298.92/1,499,768.73 = 1,018,516.50/x
  3. Step 3: Cross multiply
    1,086,298.92x = 1,499,768.73 × 1,018,516.50
  4. Step 4: Simplify right side
    1,086,298.92x = 1,527,539,197,689.05
  5. Step 5: Solve for x
    x = 1,527,539,197,689.05/1,086,298.92
  6. Step 6: Final answer
    x = 1,406,186.80

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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.