Home / 1,315,520.73-1,972,938.57-556,971.75

Finding the Fourth Proportional to 1,315,520.73, 1,972,938.57 and 556,971.75

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Solution

The fourth proportional to 1,315,520.73, 1,972,938.57 and 556,971.75 is: 835,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,520.73 : 1,972,938.57 = 556,971.75 : x
  2. Step 2: Convert to fraction form
    1,315,520.73/1,972,938.57 = 556,971.75/x
  3. Step 3: Cross multiply
    1,315,520.73x = 1,972,938.57 × 556,971.75
  4. Step 4: Simplify right side
    1,315,520.73x = 1,098,871,047,975.40
  5. Step 5: Solve for x
    x = 1,098,871,047,975.40/1,315,520.73
  6. Step 6: Final answer
    x = 835,312.61

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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.