Home / 1,018,379.84-1,405,178.88-588,502.40

Finding the Fourth Proportional to 1,018,379.84, 1,405,178.88 and 588,502.40

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Solution

The fourth proportional to 1,018,379.84, 1,405,178.88 and 588,502.40 is: 812,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,379.84 : 1,405,178.88 = 588,502.40 : x
  2. Step 2: Convert to fraction form
    1,018,379.84/1,405,178.88 = 588,502.40/x
  3. Step 3: Cross multiply
    1,018,379.84x = 1,405,178.88 × 588,502.40
  4. Step 4: Simplify right side
    1,018,379.84x = 826,951,143,309.31
  5. Step 5: Solve for x
    x = 826,951,143,309.31/1,018,379.84
  6. Step 6: Final answer
    x = 812,026.23

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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.