Home / 1,143,188.24-1,714,783.10-290,323.86

Finding the Fourth Proportional to 1,143,188.24, 1,714,783.10 and 290,323.86

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Solution

The fourth proportional to 1,143,188.24, 1,714,783.10 and 290,323.86 is: 435,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,188.24 : 1,714,783.10 = 290,323.86 : x
  2. Step 2: Convert to fraction form
    1,143,188.24/1,714,783.10 = 290,323.86/x
  3. Step 3: Cross multiply
    1,143,188.24x = 1,714,783.10 × 290,323.86
  4. Step 4: Simplify right side
    1,143,188.24x = 497,842,448,654.77
  5. Step 5: Solve for x
    x = 497,842,448,654.77/1,143,188.24
  6. Step 6: Final answer
    x = 435,485.98

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Double scale
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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.