Home / 1,313,402.58-1,970,215.65-414,603.90

Finding the Fourth Proportional to 1,313,402.58, 1,970,215.65 and 414,603.90

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Solution

The fourth proportional to 1,313,402.58, 1,970,215.65 and 414,603.90 is: 621,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,402.58 : 1,970,215.65 = 414,603.90 : x
  2. Step 2: Convert to fraction form
    1,313,402.58/1,970,215.65 = 414,603.90/x
  3. Step 3: Cross multiply
    1,313,402.58x = 1,970,215.65 × 414,603.90
  4. Step 4: Simplify right side
    1,313,402.58x = 816,859,092,331.04
  5. Step 5: Solve for x
    x = 816,859,092,331.04/1,313,402.58
  6. Step 6: Final answer
    x = 621,941.14

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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.