Home / 1,047,268.78-1,570,871.76-289,156.56

Finding the Fourth Proportional to 1,047,268.78, 1,570,871.76 and 289,156.56

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Solution

The fourth proportional to 1,047,268.78, 1,570,871.76 and 289,156.56 is: 433,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,268.78 : 1,570,871.76 = 289,156.56 : x
  2. Step 2: Convert to fraction form
    1,047,268.78/1,570,871.76 = 289,156.56/x
  3. Step 3: Cross multiply
    1,047,268.78x = 1,570,871.76 × 289,156.56
  4. Step 4: Simplify right side
    1,047,268.78x = 454,227,874,322.75
  5. Step 5: Solve for x
    x = 454,227,874,322.75/1,047,268.78
  6. Step 6: Final answer
    x = 433,726.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.