Home / 1,813,428.80-2,502,432.78-997,500.80

Finding the Fourth Proportional to 1,813,428.80, 2,502,432.78 and 997,500.80

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Solution

The fourth proportional to 1,813,428.80, 2,502,432.78 and 997,500.80 is: 1,376,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,428.80 : 2,502,432.78 = 997,500.80 : x
  2. Step 2: Convert to fraction form
    1,813,428.80/2,502,432.78 = 997,500.80/x
  3. Step 3: Cross multiply
    1,813,428.80x = 2,502,432.78 × 997,500.80
  4. Step 4: Simplify right side
    1,813,428.80x = 2,496,178,699,996.22
  5. Step 5: Solve for x
    x = 2,496,178,699,996.22/1,813,428.80
  6. Step 6: Final answer
    x = 1,376,496.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.