Home / 1,690,020.65-2,535,446.51-491,953.35

Finding the Fourth Proportional to 1,690,020.65, 2,535,446.51 and 491,953.35

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Solution

The fourth proportional to 1,690,020.65, 2,535,446.51 and 491,953.35 is: 738,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,020.65 : 2,535,446.51 = 491,953.35 : x
  2. Step 2: Convert to fraction form
    1,690,020.65/2,535,446.51 = 491,953.35/x
  3. Step 3: Cross multiply
    1,690,020.65x = 2,535,446.51 × 491,953.35
  4. Step 4: Simplify right side
    1,690,020.65x = 1,247,321,398,971.40
  5. Step 5: Solve for x
    x = 1,247,321,398,971.40/1,690,020.65
  6. Step 6: Final answer
    x = 738,050.98

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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.