Home / 1,004,093.40-1,506,140.10-780,144.60

Finding the Fourth Proportional to 1,004,093.40, 1,506,140.10 and 780,144.60

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Solution

The fourth proportional to 1,004,093.40, 1,506,140.10 and 780,144.60 is: 1,170,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,093.40 : 1,506,140.10 = 780,144.60 : x
  2. Step 2: Convert to fraction form
    1,004,093.40/1,506,140.10 = 780,144.60/x
  3. Step 3: Cross multiply
    1,004,093.40x = 1,506,140.10 × 780,144.60
  4. Step 4: Simplify right side
    1,004,093.40x = 1,175,007,065,858.46
  5. Step 5: Solve for x
    x = 1,175,007,065,858.46/1,004,093.40
  6. Step 6: Final answer
    x = 1,170,216.90

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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.