Home / 972,665.17-1,339,306.56-881,427.54

Finding the Fourth Proportional to 972,665.17, 1,339,306.56 and 881,427.54

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Solution

The fourth proportional to 972,665.17, 1,339,306.56 and 881,427.54 is: 1,213,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,665.17 : 1,339,306.56 = 881,427.54 : x
  2. Step 2: Convert to fraction form
    972,665.17/1,339,306.56 = 881,427.54/x
  3. Step 3: Cross multiply
    972,665.17x = 1,339,306.56 × 881,427.54
  4. Step 4: Simplify right side
    972,665.17x = 1,180,501,686,486.66
  5. Step 5: Solve for x
    x = 1,180,501,686,486.66/972,665.17
  6. Step 6: Final answer
    x = 1,213,677.35

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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.