Home / 1,690,661.05-2,536,380.38-553,459.93

Finding the Fourth Proportional to 1,690,661.05, 2,536,380.38 and 553,459.93

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Solution

The fourth proportional to 1,690,661.05, 2,536,380.38 and 553,459.93 is: 830,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,661.05 : 2,536,380.38 = 553,459.93 : x
  2. Step 2: Convert to fraction form
    1,690,661.05/2,536,380.38 = 553,459.93/x
  3. Step 3: Cross multiply
    1,690,661.05x = 2,536,380.38 × 553,459.93
  4. Step 4: Simplify right side
    1,690,661.05x = 1,403,784,892,118.97
  5. Step 5: Solve for x
    x = 1,403,784,892,118.97/1,690,661.05
  6. Step 6: Final answer
    x = 830,317.17

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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.