Home / 1,681,955.52-2,321,148.48-918,058.56

Finding the Fourth Proportional to 1,681,955.52, 2,321,148.48 and 918,058.56

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Solution

The fourth proportional to 1,681,955.52, 2,321,148.48 and 918,058.56 is: 1,266,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,955.52 : 2,321,148.48 = 918,058.56 : x
  2. Step 2: Convert to fraction form
    1,681,955.52/2,321,148.48 = 918,058.56/x
  3. Step 3: Cross multiply
    1,681,955.52x = 2,321,148.48 × 918,058.56
  4. Step 4: Simplify right side
    1,681,955.52x = 2,130,950,231,094.99
  5. Step 5: Solve for x
    x = 2,130,950,231,094.99/1,681,955.52
  6. Step 6: Final answer
    x = 1,266,948.03

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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.