Home / 1,319,210.50-1,820,541.31-738,419.19

Finding the Fourth Proportional to 1,319,210.50, 1,820,541.31 and 738,419.19

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Solution

The fourth proportional to 1,319,210.50, 1,820,541.31 and 738,419.19 is: 1,019,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,210.50 : 1,820,541.31 = 738,419.19 : x
  2. Step 2: Convert to fraction form
    1,319,210.50/1,820,541.31 = 738,419.19/x
  3. Step 3: Cross multiply
    1,319,210.50x = 1,820,541.31 × 738,419.19
  4. Step 4: Simplify right side
    1,319,210.50x = 1,344,322,634,972.27
  5. Step 5: Solve for x
    x = 1,344,322,634,972.27/1,319,210.50
  6. Step 6: Final answer
    x = 1,019,035.73

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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.