Home / 1,177,437.80-1,766,420.04-429,483.80

Finding the Fourth Proportional to 1,177,437.80, 1,766,420.04 and 429,483.80

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Solution

The fourth proportional to 1,177,437.80, 1,766,420.04 and 429,483.80 is: 644,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,437.80 : 1,766,420.04 = 429,483.80 : x
  2. Step 2: Convert to fraction form
    1,177,437.80/1,766,420.04 = 429,483.80/x
  3. Step 3: Cross multiply
    1,177,437.80x = 1,766,420.04 × 429,483.80
  4. Step 4: Simplify right side
    1,177,437.80x = 758,648,791,175.35
  5. Step 5: Solve for x
    x = 758,648,791,175.35/1,177,437.80
  6. Step 6: Final answer
    x = 644,321.76

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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.