Home / 920,478.78-1,270,237.14-893,316.24

Finding the Fourth Proportional to 920,478.78, 1,270,237.14 and 893,316.24

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Solution

The fourth proportional to 920,478.78, 1,270,237.14 and 893,316.24 is: 1,232,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,478.78 : 1,270,237.14 = 893,316.24 : x
  2. Step 2: Convert to fraction form
    920,478.78/1,270,237.14 = 893,316.24/x
  3. Step 3: Cross multiply
    920,478.78x = 1,270,237.14 × 893,316.24
  4. Step 4: Simplify right side
    920,478.78x = 1,134,723,465,813.15
  5. Step 5: Solve for x
    x = 1,134,723,465,813.15/920,478.78
  6. Step 6: Final answer
    x = 1,232,753.53

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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.