Home / 1,015,279.16-1,521,847.08-340,720.88

Finding the Fourth Proportional to 1,015,279.16, 1,521,847.08 and 340,720.88

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Solution

The fourth proportional to 1,015,279.16, 1,521,847.08 and 340,720.88 is: 510,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,279.16 : 1,521,847.08 = 340,720.88 : x
  2. Step 2: Convert to fraction form
    1,015,279.16/1,521,847.08 = 340,720.88/x
  3. Step 3: Cross multiply
    1,015,279.16x = 1,521,847.08 × 340,720.88
  4. Step 4: Simplify right side
    1,015,279.16x = 518,525,076,323.03
  5. Step 5: Solve for x
    x = 518,525,076,323.03/1,015,279.16
  6. Step 6: Final answer
    x = 510,721.68

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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.