Home / 1,353,068.32-1,867,083.60-749,305.12

Finding the Fourth Proportional to 1,353,068.32, 1,867,083.60 and 749,305.12

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Solution

The fourth proportional to 1,353,068.32, 1,867,083.60 and 749,305.12 is: 1,033,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,068.32 : 1,867,083.60 = 749,305.12 : x
  2. Step 2: Convert to fraction form
    1,353,068.32/1,867,083.60 = 749,305.12/x
  3. Step 3: Cross multiply
    1,353,068.32x = 1,867,083.60 × 749,305.12
  4. Step 4: Simplify right side
    1,353,068.32x = 1,399,015,300,948.03
  5. Step 5: Solve for x
    x = 1,399,015,300,948.03/1,353,068.32
  6. Step 6: Final answer
    x = 1,033,957.62

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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.