Home / 1,518,431.74-2,095,353.57-839,324.50

Finding the Fourth Proportional to 1,518,431.74, 2,095,353.57 and 839,324.50

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Solution

The fourth proportional to 1,518,431.74, 2,095,353.57 and 839,324.50 is: 1,158,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,431.74 : 2,095,353.57 = 839,324.50 : x
  2. Step 2: Convert to fraction form
    1,518,431.74/2,095,353.57 = 839,324.50/x
  3. Step 3: Cross multiply
    1,518,431.74x = 2,095,353.57 × 839,324.50
  4. Step 4: Simplify right side
    1,518,431.74x = 1,758,681,587,463.47
  5. Step 5: Solve for x
    x = 1,758,681,587,463.47/1,518,431.74
  6. Step 6: Final answer
    x = 1,158,222.36

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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.