Home / 1,787,064.40-2,680,596.60-1,178,203.60

Finding the Fourth Proportional to 1,787,064.40, 2,680,596.60 and 1,178,203.60

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Solution

The fourth proportional to 1,787,064.40, 2,680,596.60 and 1,178,203.60 is: 1,767,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,064.40 : 2,680,596.60 = 1,178,203.60 : x
  2. Step 2: Convert to fraction form
    1,787,064.40/2,680,596.60 = 1,178,203.60/x
  3. Step 3: Cross multiply
    1,787,064.40x = 2,680,596.60 × 1,178,203.60
  4. Step 4: Simplify right side
    1,787,064.40x = 3,158,288,564,267.76
  5. Step 5: Solve for x
    x = 3,158,288,564,267.76/1,787,064.40
  6. Step 6: Final answer
    x = 1,767,305.40

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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.