Home / 1,176,901.60-1,765,352.40-428,850.40

Finding the Fourth Proportional to 1,176,901.60, 1,765,352.40 and 428,850.40

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Solution

The fourth proportional to 1,176,901.60, 1,765,352.40 and 428,850.40 is: 643,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,901.60 : 1,765,352.40 = 428,850.40 : x
  2. Step 2: Convert to fraction form
    1,176,901.60/1,765,352.40 = 428,850.40/x
  3. Step 3: Cross multiply
    1,176,901.60x = 1,765,352.40 × 428,850.40
  4. Step 4: Simplify right side
    1,176,901.60x = 757,072,082,880.96
  5. Step 5: Solve for x
    x = 757,072,082,880.96/1,176,901.60
  6. Step 6: Final answer
    x = 643,275.60

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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.