Home / 780,166.40-1,170,249.60-662,068.40

Finding the Fourth Proportional to 780,166.40, 1,170,249.60 and 662,068.40

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Solution

The fourth proportional to 780,166.40, 1,170,249.60 and 662,068.40 is: 993,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,166.40 : 1,170,249.60 = 662,068.40 : x
  2. Step 2: Convert to fraction form
    780,166.40/1,170,249.60 = 662,068.40/x
  3. Step 3: Cross multiply
    780,166.40x = 1,170,249.60 × 662,068.40
  4. Step 4: Simplify right side
    780,166.40x = 774,785,280,272.64
  5. Step 5: Solve for x
    x = 774,785,280,272.64/780,166.40
  6. Step 6: Final answer
    x = 993,102.60

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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.