Home / 849,452.70-1,271,226.60-778,593.90

Finding the Fourth Proportional to 849,452.70, 1,271,226.60 and 778,593.90

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Solution

The fourth proportional to 849,452.70, 1,271,226.60 and 778,593.90 is: 1,165,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,452.70 : 1,271,226.60 = 778,593.90 : x
  2. Step 2: Convert to fraction form
    849,452.70/1,271,226.60 = 778,593.90/x
  3. Step 3: Cross multiply
    849,452.70x = 1,271,226.60 × 778,593.90
  4. Step 4: Simplify right side
    849,452.70x = 989,769,276,277.74
  5. Step 5: Solve for x
    x = 989,769,276,277.74/849,452.70
  6. Step 6: Final answer
    x = 1,165,184.68

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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.