Home / 1,009,958.12-1,393,771.40-557,278.28

Finding the Fourth Proportional to 1,009,958.12, 1,393,771.40 and 557,278.28

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Solution

The fourth proportional to 1,009,958.12, 1,393,771.40 and 557,278.28 is: 769,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,958.12 : 1,393,771.40 = 557,278.28 : x
  2. Step 2: Convert to fraction form
    1,009,958.12/1,393,771.40 = 557,278.28/x
  3. Step 3: Cross multiply
    1,009,958.12x = 1,393,771.40 × 557,278.28
  4. Step 4: Simplify right side
    1,009,958.12x = 776,718,528,505.19
  5. Step 5: Solve for x
    x = 776,718,528,505.19/1,009,958.12
  6. Step 6: Final answer
    x = 769,060.14

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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.