Home / 1,227,537.07-1,841,739.77-429,039.07

Finding the Fourth Proportional to 1,227,537.07, 1,841,739.77 and 429,039.07

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Solution

The fourth proportional to 1,227,537.07, 1,841,739.77 and 429,039.07 is: 643,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,537.07 : 1,841,739.77 = 429,039.07 : x
  2. Step 2: Convert to fraction form
    1,227,537.07/1,841,739.77 = 429,039.07/x
  3. Step 3: Cross multiply
    1,227,537.07x = 1,841,739.77 × 429,039.07
  4. Step 4: Simplify right side
    1,227,537.07x = 790,178,318,102.81
  5. Step 5: Solve for x
    x = 790,178,318,102.81/1,227,537.07
  6. Step 6: Final answer
    x = 643,710.35

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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.