Home / 1,208,437.06-1,812,803.28-409,947.03

Finding the Fourth Proportional to 1,208,437.06, 1,812,803.28 and 409,947.03

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Solution

The fourth proportional to 1,208,437.06, 1,812,803.28 and 409,947.03 is: 614,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,437.06 : 1,812,803.28 = 409,947.03 : x
  2. Step 2: Convert to fraction form
    1,208,437.06/1,812,803.28 = 409,947.03/x
  3. Step 3: Cross multiply
    1,208,437.06x = 1,812,803.28 × 409,947.03
  4. Step 4: Simplify right side
    1,208,437.06x = 743,153,320,610.26
  5. Step 5: Solve for x
    x = 743,153,320,610.26/1,208,437.06
  6. Step 6: Final answer
    x = 614,970.65

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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.