Home / 1,233,804.64-1,702,783.92-724,580.32

Finding the Fourth Proportional to 1,233,804.64, 1,702,783.92 and 724,580.32

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Solution

The fourth proportional to 1,233,804.64, 1,702,783.92 and 724,580.32 is: 999,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,804.64 : 1,702,783.92 = 724,580.32 : x
  2. Step 2: Convert to fraction form
    1,233,804.64/1,702,783.92 = 724,580.32/x
  3. Step 3: Cross multiply
    1,233,804.64x = 1,702,783.92 × 724,580.32
  4. Step 4: Simplify right side
    1,233,804.64x = 1,233,803,717,644.45
  5. Step 5: Solve for x
    x = 1,233,803,717,644.45/1,233,804.64
  6. Step 6: Final answer
    x = 999,999.25

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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.