Home / 997,638.30-1,496,457.45-698,456.70

Finding the Fourth Proportional to 997,638.30, 1,496,457.45 and 698,456.70

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Solution

The fourth proportional to 997,638.30, 1,496,457.45 and 698,456.70 is: 1,047,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,638.30 : 1,496,457.45 = 698,456.70 : x
  2. Step 2: Convert to fraction form
    997,638.30/1,496,457.45 = 698,456.70/x
  3. Step 3: Cross multiply
    997,638.30x = 1,496,457.45 × 698,456.70
  4. Step 4: Simplify right side
    997,638.30x = 1,045,210,732,217.41
  5. Step 5: Solve for x
    x = 1,045,210,732,217.41/997,638.30
  6. Step 6: Final answer
    x = 1,047,685.05

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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.