Home / 919,027.16-1,268,070-536,980.04

Finding the Fourth Proportional to 919,027.16, 1,268,070 and 536,980.04

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Solution

The fourth proportional to 919,027.16, 1,268,070 and 536,980.04 is: 740,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,027.16 : 1,268,070 = 536,980.04 : x
  2. Step 2: Convert to fraction form
    919,027.16/1,268,070 = 536,980.04/x
  3. Step 3: Cross multiply
    919,027.16x = 1,268,070 × 536,980.04
  4. Step 4: Simplify right side
    919,027.16x = 680,928,279,322.80
  5. Step 5: Solve for x
    x = 680,928,279,322.80/919,027.16
  6. Step 6: Final answer
    x = 740,922.91

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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.