Home / 1,535,498.98-2,119,668.04-991,899.78

Finding the Fourth Proportional to 1,535,498.98, 2,119,668.04 and 991,899.78

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Solution

The fourth proportional to 1,535,498.98, 2,119,668.04 and 991,899.78 is: 1,369,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,498.98 : 2,119,668.04 = 991,899.78 : x
  2. Step 2: Convert to fraction form
    1,535,498.98/2,119,668.04 = 991,899.78/x
  3. Step 3: Cross multiply
    1,535,498.98x = 2,119,668.04 × 991,899.78
  4. Step 4: Simplify right side
    1,535,498.98x = 2,102,498,262,549.03
  5. Step 5: Solve for x
    x = 2,102,498,262,549.03/1,535,498.98
  6. Step 6: Final answer
    x = 1,369,260.61

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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.