Home / 1,471,130.10-2,030,161.32-826,549.92

Finding the Fourth Proportional to 1,471,130.10, 2,030,161.32 and 826,549.92

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Solution

The fourth proportional to 1,471,130.10, 2,030,161.32 and 826,549.92 is: 1,140,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,130.10 : 2,030,161.32 = 826,549.92 : x
  2. Step 2: Convert to fraction form
    1,471,130.10/2,030,161.32 = 826,549.92/x
  3. Step 3: Cross multiply
    1,471,130.10x = 2,030,161.32 × 826,549.92
  4. Step 4: Simplify right side
    1,471,130.10x = 1,678,029,676,633.09
  5. Step 5: Solve for x
    x = 1,678,029,676,633.09/1,471,130.10
  6. Step 6: Final answer
    x = 1,140,639.89

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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.