Home / 1,072,365.40-1,479,900.54-613,555.48

Finding the Fourth Proportional to 1,072,365.40, 1,479,900.54 and 613,555.48

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Solution

The fourth proportional to 1,072,365.40, 1,479,900.54 and 613,555.48 is: 846,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,365.40 : 1,479,900.54 = 613,555.48 : x
  2. Step 2: Convert to fraction form
    1,072,365.40/1,479,900.54 = 613,555.48/x
  3. Step 3: Cross multiply
    1,072,365.40x = 1,479,900.54 × 613,555.48
  4. Step 4: Simplify right side
    1,072,365.40x = 908,001,086,171.96
  5. Step 5: Solve for x
    x = 908,001,086,171.96/1,072,365.40
  6. Step 6: Final answer
    x = 846,727.32

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1.5x scale

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.