Home / 1,455,613.20-2,183,419.80-1,390,294.80

Finding the Fourth Proportional to 1,455,613.20, 2,183,419.80 and 1,390,294.80

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Solution

The fourth proportional to 1,455,613.20, 2,183,419.80 and 1,390,294.80 is: 2,085,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,613.20 : 2,183,419.80 = 1,390,294.80 : x
  2. Step 2: Convert to fraction form
    1,455,613.20/2,183,419.80 = 1,390,294.80/x
  3. Step 3: Cross multiply
    1,455,613.20x = 2,183,419.80 × 1,390,294.80
  4. Step 4: Simplify right side
    1,455,613.20x = 3,035,597,194,157.04
  5. Step 5: Solve for x
    x = 3,035,597,194,157.04/1,455,613.20
  6. Step 6: Final answer
    x = 2,085,442.20

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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.