Home / 1,313,909.04-1,970,859.24-316,637.04

Finding the Fourth Proportional to 1,313,909.04, 1,970,859.24 and 316,637.04

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Solution

The fourth proportional to 1,313,909.04, 1,970,859.24 and 316,637.04 is: 474,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,909.04 : 1,970,859.24 = 316,637.04 : x
  2. Step 2: Convert to fraction form
    1,313,909.04/1,970,859.24 = 316,637.04/x
  3. Step 3: Cross multiply
    1,313,909.04x = 1,970,859.24 × 316,637.04
  4. Step 4: Simplify right side
    1,313,909.04x = 624,047,036,010.25
  5. Step 5: Solve for x
    x = 624,047,036,010.25/1,313,909.04
  6. Step 6: Final answer
    x = 474,954.52

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Similar ratio
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1.5x scale

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.