Home / 1,455,666.88-2,183,199.12-390,455.68

Finding the Fourth Proportional to 1,455,666.88, 2,183,199.12 and 390,455.68

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Solution

The fourth proportional to 1,455,666.88, 2,183,199.12 and 390,455.68 is: 585,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,666.88 : 2,183,199.12 = 390,455.68 : x
  2. Step 2: Convert to fraction form
    1,455,666.88/2,183,199.12 = 390,455.68/x
  3. Step 3: Cross multiply
    1,455,666.88x = 2,183,199.12 × 390,455.68
  4. Step 4: Simplify right side
    1,455,666.88x = 852,442,496,975.00
  5. Step 5: Solve for x
    x = 852,442,496,975.00/1,455,666.88
  6. Step 6: Final answer
    x = 585,602.73

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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.