Home / 1,319,209.50-1,820,539.93-738,418.18

Finding the Fourth Proportional to 1,319,209.50, 1,820,539.93 and 738,418.18

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Solution

The fourth proportional to 1,319,209.50, 1,820,539.93 and 738,418.18 is: 1,019,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,209.50 : 1,820,539.93 = 738,418.18 : x
  2. Step 2: Convert to fraction form
    1,319,209.50/1,820,539.93 = 738,418.18/x
  3. Step 3: Cross multiply
    1,319,209.50x = 1,820,539.93 × 738,418.18
  4. Step 4: Simplify right side
    1,319,209.50x = 1,344,319,781,727.93
  5. Step 5: Solve for x
    x = 1,344,319,781,727.93/1,319,209.50
  6. Step 6: Final answer
    x = 1,019,034.34

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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.