Home / 1,350,607.96-1,863,632.10-777,537.40

Finding the Fourth Proportional to 1,350,607.96, 1,863,632.10 and 777,537.40

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Solution

The fourth proportional to 1,350,607.96, 1,863,632.10 and 777,537.40 is: 1,072,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,607.96 : 1,863,632.10 = 777,537.40 : x
  2. Step 2: Convert to fraction form
    1,350,607.96/1,863,632.10 = 777,537.40/x
  3. Step 3: Cross multiply
    1,350,607.96x = 1,863,632.10 × 777,537.40
  4. Step 4: Simplify right side
    1,350,607.96x = 1,449,043,657,590.54
  5. Step 5: Solve for x
    x = 1,449,043,657,590.54/1,350,607.96
  6. Step 6: Final answer
    x = 1,072,882.51

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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.