Home / 777,076.54-1,159,915.61-720,088.38

Finding the Fourth Proportional to 777,076.54, 1,159,915.61 and 720,088.38

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Solution

The fourth proportional to 777,076.54, 1,159,915.61 and 720,088.38 is: 1,074,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,076.54 : 1,159,915.61 = 720,088.38 : x
  2. Step 2: Convert to fraction form
    777,076.54/1,159,915.61 = 720,088.38/x
  3. Step 3: Cross multiply
    777,076.54x = 1,159,915.61 × 720,088.38
  4. Step 4: Simplify right side
    777,076.54x = 835,241,754,341.83
  5. Step 5: Solve for x
    x = 835,241,754,341.83/777,076.54
  6. Step 6: Final answer
    x = 1,074,851.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.