Home / 1,224,000.48-1,689,158.70-672,706.19

Finding the Fourth Proportional to 1,224,000.48, 1,689,158.70 and 672,706.19

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Solution

The fourth proportional to 1,224,000.48, 1,689,158.70 and 672,706.19 is: 928,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,000.48 : 1,689,158.70 = 672,706.19 : x
  2. Step 2: Convert to fraction form
    1,224,000.48/1,689,158.70 = 672,706.19/x
  3. Step 3: Cross multiply
    1,224,000.48x = 1,689,158.70 × 672,706.19
  4. Step 4: Simplify right side
    1,224,000.48x = 1,136,307,504,936.56
  5. Step 5: Solve for x
    x = 1,136,307,504,936.56/1,224,000.48
  6. Step 6: Final answer
    x = 928,355.44

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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.