Home / 1,224,739.60-1,690,965.39-1,095,276.40

Finding the Fourth Proportional to 1,224,739.60, 1,690,965.39 and 1,095,276.40

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Solution

The fourth proportional to 1,224,739.60, 1,690,965.39 and 1,095,276.40 is: 1,512,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,739.60 : 1,690,965.39 = 1,095,276.40 : x
  2. Step 2: Convert to fraction form
    1,224,739.60/1,690,965.39 = 1,095,276.40/x
  3. Step 3: Cross multiply
    1,224,739.60x = 1,690,965.39 × 1,095,276.40
  4. Step 4: Simplify right side
    1,224,739.60x = 1,852,074,484,883.80
  5. Step 5: Solve for x
    x = 1,852,074,484,883.80/1,224,739.60
  6. Step 6: Final answer
    x = 1,512,218.99

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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.