Home / 1,659,574.10-2,488,089.96-521,678.00

Finding the Fourth Proportional to 1,659,574.10, 2,488,089.96 and 521,678.00

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Solution

The fourth proportional to 1,659,574.10, 2,488,089.96 and 521,678.00 is: 782,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,574.10 : 2,488,089.96 = 521,678.00 : x
  2. Step 2: Convert to fraction form
    1,659,574.10/2,488,089.96 = 521,678.00/x
  3. Step 3: Cross multiply
    1,659,574.10x = 2,488,089.96 × 521,678.00
  4. Step 4: Simplify right side
    1,659,574.10x = 1,297,981,800,373.11
  5. Step 5: Solve for x
    x = 1,297,981,800,373.11/1,659,574.10
  6. Step 6: Final answer
    x = 782,117.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.