Home / 1,690,660.55-2,536,379.63-553,459.43

Finding the Fourth Proportional to 1,690,660.55, 2,536,379.63 and 553,459.43

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Solution

The fourth proportional to 1,690,660.55, 2,536,379.63 and 553,459.43 is: 830,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,660.55 : 2,536,379.63 = 553,459.43 : x
  2. Step 2: Convert to fraction form
    1,690,660.55/2,536,379.63 = 553,459.43/x
  3. Step 3: Cross multiply
    1,690,660.55x = 2,536,379.63 × 553,459.43
  4. Step 4: Simplify right side
    1,690,660.55x = 1,403,783,208,834.22
  5. Step 5: Solve for x
    x = 1,403,783,208,834.22/1,690,660.55
  6. Step 6: Final answer
    x = 830,316.42

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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.