Home / 988,302.80-1,482,454.20-972,556.40

Finding the Fourth Proportional to 988,302.80, 1,482,454.20 and 972,556.40

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Solution

The fourth proportional to 988,302.80, 1,482,454.20 and 972,556.40 is: 1,458,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,302.80 : 1,482,454.20 = 972,556.40 : x
  2. Step 2: Convert to fraction form
    988,302.80/1,482,454.20 = 972,556.40/x
  3. Step 3: Cross multiply
    988,302.80x = 1,482,454.20 × 972,556.40
  4. Step 4: Simplify right side
    988,302.80x = 1,441,770,319,916.88
  5. Step 5: Solve for x
    x = 1,441,770,319,916.88/988,302.80
  6. Step 6: Final answer
    x = 1,458,834.60

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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.