Home / 1,227,746.16-1,839,616.92-753,429.60

Finding the Fourth Proportional to 1,227,746.16, 1,839,616.92 and 753,429.60

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Solution

The fourth proportional to 1,227,746.16, 1,839,616.92 and 753,429.60 is: 1,128,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,746.16 : 1,839,616.92 = 753,429.60 : x
  2. Step 2: Convert to fraction form
    1,227,746.16/1,839,616.92 = 753,429.60/x
  3. Step 3: Cross multiply
    1,227,746.16x = 1,839,616.92 × 753,429.60
  4. Step 4: Simplify right side
    1,227,746.16x = 1,386,021,840,188.83
  5. Step 5: Solve for x
    x = 1,386,021,840,188.83/1,227,746.16
  6. Step 6: Final answer
    x = 1,128,915.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.