Home / 1,319,377.60-1,820,727.15-738,605.50

Finding the Fourth Proportional to 1,319,377.60, 1,820,727.15 and 738,605.50

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Solution

The fourth proportional to 1,319,377.60, 1,820,727.15 and 738,605.50 is: 1,019,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,377.60 : 1,820,727.15 = 738,605.50 : x
  2. Step 2: Convert to fraction form
    1,319,377.60/1,820,727.15 = 738,605.50/x
  3. Step 3: Cross multiply
    1,319,377.60x = 1,820,727.15 × 738,605.50
  4. Step 4: Simplify right side
    1,319,377.60x = 1,344,799,089,909.33
  5. Step 5: Solve for x
    x = 1,344,799,089,909.33/1,319,377.60
  6. Step 6: Final answer
    x = 1,019,267.79

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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.