Home / 1,353,072.32-1,867,089.12-749,309.12

Finding the Fourth Proportional to 1,353,072.32, 1,867,089.12 and 749,309.12

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Solution

The fourth proportional to 1,353,072.32, 1,867,089.12 and 749,309.12 is: 1,033,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,072.32 : 1,867,089.12 = 749,309.12 : x
  2. Step 2: Convert to fraction form
    1,353,072.32/1,867,089.12 = 749,309.12/x
  3. Step 3: Cross multiply
    1,353,072.32x = 1,867,089.12 × 749,309.12
  4. Step 4: Simplify right side
    1,353,072.32x = 1,399,026,905,468.77
  5. Step 5: Solve for x
    x = 1,399,026,905,468.77/1,353,072.32
  6. Step 6: Final answer
    x = 1,033,963.14

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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.