Home / 1,114,487.95-1,538,011.26-631,040.17

Finding the Fourth Proportional to 1,114,487.95, 1,538,011.26 and 631,040.17

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Solution

The fourth proportional to 1,114,487.95, 1,538,011.26 and 631,040.17 is: 870,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,487.95 : 1,538,011.26 = 631,040.17 : x
  2. Step 2: Convert to fraction form
    1,114,487.95/1,538,011.26 = 631,040.17/x
  3. Step 3: Cross multiply
    1,114,487.95x = 1,538,011.26 × 631,040.17
  4. Step 4: Simplify right side
    1,114,487.95x = 970,546,886,972.31
  5. Step 5: Solve for x
    x = 970,546,886,972.31/1,114,487.95
  6. Step 6: Final answer
    x = 870,845.56

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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.