Home / 1,007,710.56-1,390,738.80-752,618.88

Finding the Fourth Proportional to 1,007,710.56, 1,390,738.80 and 752,618.88

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Solution

The fourth proportional to 1,007,710.56, 1,390,738.80 and 752,618.88 is: 1,038,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,710.56 : 1,390,738.80 = 752,618.88 : x
  2. Step 2: Convert to fraction form
    1,007,710.56/1,390,738.80 = 752,618.88/x
  3. Step 3: Cross multiply
    1,007,710.56x = 1,390,738.80 × 752,618.88
  4. Step 4: Simplify right side
    1,007,710.56x = 1,046,696,278,028.54
  5. Step 5: Solve for x
    x = 1,046,696,278,028.54/1,007,710.56
  6. Step 6: Final answer
    x = 1,038,687.42

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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.