Home / 1,317,229.64-1,975,975.91-357,700.86

Finding the Fourth Proportional to 1,317,229.64, 1,975,975.91 and 357,700.86

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Solution

The fourth proportional to 1,317,229.64, 1,975,975.91 and 357,700.86 is: 536,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,229.64 : 1,975,975.91 = 357,700.86 : x
  2. Step 2: Convert to fraction form
    1,317,229.64/1,975,975.91 = 357,700.86/x
  3. Step 3: Cross multiply
    1,317,229.64x = 1,975,975.91 × 357,700.86
  4. Step 4: Simplify right side
    1,317,229.64x = 706,808,283,911.22
  5. Step 5: Solve for x
    x = 706,808,283,911.22/1,317,229.64
  6. Step 6: Final answer
    x = 536,586.99

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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.