Home / 787,623.60-1,181,435.40-731,636.40

Finding the Fourth Proportional to 787,623.60, 1,181,435.40 and 731,636.40

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Solution

The fourth proportional to 787,623.60, 1,181,435.40 and 731,636.40 is: 1,097,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,623.60 : 1,181,435.40 = 731,636.40 : x
  2. Step 2: Convert to fraction form
    787,623.60/1,181,435.40 = 731,636.40/x
  3. Step 3: Cross multiply
    787,623.60x = 1,181,435.40 × 731,636.40
  4. Step 4: Simplify right side
    787,623.60x = 864,381,142,888.56
  5. Step 5: Solve for x
    x = 864,381,142,888.56/787,623.60
  6. Step 6: Final answer
    x = 1,097,454.60

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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.