Home / 1,190,652.80-1,785,979.20-402,684.80

Finding the Fourth Proportional to 1,190,652.80, 1,785,979.20 and 402,684.80

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Solution

The fourth proportional to 1,190,652.80, 1,785,979.20 and 402,684.80 is: 604,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,652.80 : 1,785,979.20 = 402,684.80 : x
  2. Step 2: Convert to fraction form
    1,190,652.80/1,785,979.20 = 402,684.80/x
  3. Step 3: Cross multiply
    1,190,652.80x = 1,785,979.20 × 402,684.80
  4. Step 4: Simplify right side
    1,190,652.80x = 719,186,676,956.16
  5. Step 5: Solve for x
    x = 719,186,676,956.16/1,190,652.80
  6. Step 6: Final answer
    x = 604,027.20

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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.