Home / 1,139,523.80-1,707,032.90-999,440.60

Finding the Fourth Proportional to 1,139,523.80, 1,707,032.90 and 999,440.60

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Solution

The fourth proportional to 1,139,523.80, 1,707,032.90 and 999,440.60 is: 1,497,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,523.80 : 1,707,032.90 = 999,440.60 : x
  2. Step 2: Convert to fraction form
    1,139,523.80/1,707,032.90 = 999,440.60/x
  3. Step 3: Cross multiply
    1,139,523.80x = 1,707,032.90 × 999,440.60
  4. Step 4: Simplify right side
    1,139,523.80x = 1,706,077,985,795.74
  5. Step 5: Solve for x
    x = 1,706,077,985,795.74/1,139,523.80
  6. Step 6: Final answer
    x = 1,497,185.04

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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.