Home / 920,097.93-1,269,646.05-678,510.57

Finding the Fourth Proportional to 920,097.93, 1,269,646.05 and 678,510.57

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Solution

The fourth proportional to 920,097.93, 1,269,646.05 and 678,510.57 is: 936,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,097.93 : 1,269,646.05 = 678,510.57 : x
  2. Step 2: Convert to fraction form
    920,097.93/1,269,646.05 = 678,510.57/x
  3. Step 3: Cross multiply
    920,097.93x = 1,269,646.05 × 678,510.57
  4. Step 4: Simplify right side
    920,097.93x = 861,468,265,083.75
  5. Step 5: Solve for x
    x = 861,468,265,083.75/920,097.93
  6. Step 6: Final answer
    x = 936,278.89

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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.