Home / 738,142.80-1,106,622.90-679,093.80

Finding the Fourth Proportional to 738,142.80, 1,106,622.90 and 679,093.80

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Solution

The fourth proportional to 738,142.80, 1,106,622.90 and 679,093.80 is: 1,018,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,142.80 : 1,106,622.90 = 679,093.80 : x
  2. Step 2: Convert to fraction form
    738,142.80/1,106,622.90 = 679,093.80/x
  3. Step 3: Cross multiply
    738,142.80x = 1,106,622.90 × 679,093.80
  4. Step 4: Simplify right side
    738,142.80x = 751,500,750,328.02
  5. Step 5: Solve for x
    x = 751,500,750,328.02/738,142.80
  6. Step 6: Final answer
    x = 1,018,096.70

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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.