Home / 1,354,654.26-1,869,401.23-742,812.31

Finding the Fourth Proportional to 1,354,654.26, 1,869,401.23 and 742,812.31

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Solution

The fourth proportional to 1,354,654.26, 1,869,401.23 and 742,812.31 is: 1,025,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,654.26 : 1,869,401.23 = 742,812.31 : x
  2. Step 2: Convert to fraction form
    1,354,654.26/1,869,401.23 = 742,812.31/x
  3. Step 3: Cross multiply
    1,354,654.26x = 1,869,401.23 × 742,812.31
  4. Step 4: Simplify right side
    1,354,654.26x = 1,388,614,235,937.48
  5. Step 5: Solve for x
    x = 1,388,614,235,937.48/1,354,654.26
  6. Step 6: Final answer
    x = 1,025,069.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.