Home / 1,326,574.89-1,830,679.41-753,646.50

Finding the Fourth Proportional to 1,326,574.89, 1,830,679.41 and 753,646.50

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Solution

The fourth proportional to 1,326,574.89, 1,830,679.41 and 753,646.50 is: 1,040,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,574.89 : 1,830,679.41 = 753,646.50 : x
  2. Step 2: Convert to fraction form
    1,326,574.89/1,830,679.41 = 753,646.50/x
  3. Step 3: Cross multiply
    1,326,574.89x = 1,830,679.41 × 753,646.50
  4. Step 4: Simplify right side
    1,326,574.89x = 1,379,685,129,968.57
  5. Step 5: Solve for x
    x = 1,379,685,129,968.57/1,326,574.89
  6. Step 6: Final answer
    x = 1,040,035.61

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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.