Home / 1,178,488.26-1,626,261.30-688,503.24

Finding the Fourth Proportional to 1,178,488.26, 1,626,261.30 and 688,503.24

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Solution

The fourth proportional to 1,178,488.26, 1,626,261.30 and 688,503.24 is: 950,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,488.26 : 1,626,261.30 = 688,503.24 : x
  2. Step 2: Convert to fraction form
    1,178,488.26/1,626,261.30 = 688,503.24/x
  3. Step 3: Cross multiply
    1,178,488.26x = 1,626,261.30 × 688,503.24
  4. Step 4: Simplify right side
    1,178,488.26x = 1,119,686,174,136.61
  5. Step 5: Solve for x
    x = 1,119,686,174,136.61/1,178,488.26
  6. Step 6: Final answer
    x = 950,103.80

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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.