Home / 1,690,814.88-2,537,252.64-679,747.20

Finding the Fourth Proportional to 1,690,814.88, 2,537,252.64 and 679,747.20

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Solution

The fourth proportional to 1,690,814.88, 2,537,252.64 and 679,747.20 is: 1,020,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,814.88 : 2,537,252.64 = 679,747.20 : x
  2. Step 2: Convert to fraction form
    1,690,814.88/2,537,252.64 = 679,747.20/x
  3. Step 3: Cross multiply
    1,690,814.88x = 2,537,252.64 × 679,747.20
  4. Step 4: Simplify right side
    1,690,814.88x = 1,724,690,377,732.61
  5. Step 5: Solve for x
    x = 1,724,690,377,732.61/1,690,814.88
  6. Step 6: Final answer
    x = 1,020,035.01

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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.