Home / 1,690,136.30-2,535,370.05-492,070.70

Finding the Fourth Proportional to 1,690,136.30, 2,535,370.05 and 492,070.70

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Solution

The fourth proportional to 1,690,136.30, 2,535,370.05 and 492,070.70 is: 738,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,136.30 : 2,535,370.05 = 492,070.70 : x
  2. Step 2: Convert to fraction form
    1,690,136.30/2,535,370.05 = 492,070.70/x
  3. Step 3: Cross multiply
    1,690,136.30x = 2,535,370.05 × 492,070.70
  4. Step 4: Simplify right side
    1,690,136.30x = 1,247,581,315,262.53
  5. Step 5: Solve for x
    x = 1,247,581,315,262.53/1,690,136.30
  6. Step 6: Final answer
    x = 738,154.26

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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.