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Finding the Fourth Proportional to 879,267.20, 1,318,900.80 and 737,549.60

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Solution

The fourth proportional to 879,267.20, 1,318,900.80 and 737,549.60 is: 1,106,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,267.20 : 1,318,900.80 = 737,549.60 : x
  2. Step 2: Convert to fraction form
    879,267.20/1,318,900.80 = 737,549.60/x
  3. Step 3: Cross multiply
    879,267.20x = 1,318,900.80 × 737,549.60
  4. Step 4: Simplify right side
    879,267.20x = 972,754,757,479.68
  5. Step 5: Solve for x
    x = 972,754,757,479.68/879,267.20
  6. Step 6: Final answer
    x = 1,106,324.40

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1.5x scale

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.