Home / 1,086,437.21-1,499,272.34-603,006.53

Finding the Fourth Proportional to 1,086,437.21, 1,499,272.34 and 603,006.53

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Solution

The fourth proportional to 1,086,437.21, 1,499,272.34 and 603,006.53 is: 832,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,437.21 : 1,499,272.34 = 603,006.53 : x
  2. Step 2: Convert to fraction form
    1,086,437.21/1,499,272.34 = 603,006.53/x
  3. Step 3: Cross multiply
    1,086,437.21x = 1,499,272.34 × 603,006.53
  4. Step 4: Simplify right side
    1,086,437.21x = 904,071,000,756.99
  5. Step 5: Solve for x
    x = 904,071,000,756.99/1,086,437.21
  6. Step 6: Final answer
    x = 832,142.89

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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.