Home / 1,319,370.11-1,820,902.47-738,814.32

Finding the Fourth Proportional to 1,319,370.11, 1,820,902.47 and 738,814.32

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Solution

The fourth proportional to 1,319,370.11, 1,820,902.47 and 738,814.32 is: 1,019,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,370.11 : 1,820,902.47 = 738,814.32 : x
  2. Step 2: Convert to fraction form
    1,319,370.11/1,820,902.47 = 738,814.32/x
  3. Step 3: Cross multiply
    1,319,370.11x = 1,820,902.47 × 738,814.32
  4. Step 4: Simplify right side
    1,319,370.11x = 1,345,308,820,159.37
  5. Step 5: Solve for x
    x = 1,345,308,820,159.37/1,319,370.11
  6. Step 6: Final answer
    x = 1,019,659.92

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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.