Home / 1,317,076.72-1,975,955.07-406,238.71

Finding the Fourth Proportional to 1,317,076.72, 1,975,955.07 and 406,238.71

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Solution

The fourth proportional to 1,317,076.72, 1,975,955.07 and 406,238.71 is: 609,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,076.72 : 1,975,955.07 = 406,238.71 : x
  2. Step 2: Convert to fraction form
    1,317,076.72/1,975,955.07 = 406,238.71/x
  3. Step 3: Cross multiply
    1,317,076.72x = 1,975,955.07 × 406,238.71
  4. Step 4: Simplify right side
    1,317,076.72x = 802,709,438,654.76
  5. Step 5: Solve for x
    x = 802,709,438,654.76/1,317,076.72
  6. Step 6: Final answer
    x = 609,462.93

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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.