Home / 1,313,443.08-1,970,276.40-414,644.40

Finding the Fourth Proportional to 1,313,443.08, 1,970,276.40 and 414,644.40

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Solution

The fourth proportional to 1,313,443.08, 1,970,276.40 and 414,644.40 is: 622,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,443.08 : 1,970,276.40 = 414,644.40 : x
  2. Step 2: Convert to fraction form
    1,313,443.08/1,970,276.40 = 414,644.40/x
  3. Step 3: Cross multiply
    1,313,443.08x = 1,970,276.40 × 414,644.40
  4. Step 4: Simplify right side
    1,313,443.08x = 816,964,075,712.16
  5. Step 5: Solve for x
    x = 816,964,075,712.16/1,313,443.08
  6. Step 6: Final answer
    x = 622,001.89

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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.