Home / 1,607,146.56-2,218,190.40-927,990.72

Finding the Fourth Proportional to 1,607,146.56, 2,218,190.40 and 927,990.72

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Solution

The fourth proportional to 1,607,146.56, 2,218,190.40 and 927,990.72 is: 1,280,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,146.56 : 2,218,190.40 = 927,990.72 : x
  2. Step 2: Convert to fraction form
    1,607,146.56/2,218,190.40 = 927,990.72/x
  3. Step 3: Cross multiply
    1,607,146.56x = 2,218,190.40 × 927,990.72
  4. Step 4: Simplify right side
    1,607,146.56x = 2,058,460,106,393.09
  5. Step 5: Solve for x
    x = 2,058,460,106,393.09/1,607,146.56
  6. Step 6: Final answer
    x = 1,280,816.67

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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.