Home / 1,323,066.64-1,982,095.74-781,703.92

Finding the Fourth Proportional to 1,323,066.64, 1,982,095.74 and 781,703.92

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Solution

The fourth proportional to 1,323,066.64, 1,982,095.74 and 781,703.92 is: 1,171,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,066.64 : 1,982,095.74 = 781,703.92 : x
  2. Step 2: Convert to fraction form
    1,323,066.64/1,982,095.74 = 781,703.92/x
  3. Step 3: Cross multiply
    1,323,066.64x = 1,982,095.74 × 781,703.92
  4. Step 4: Simplify right side
    1,323,066.64x = 1,549,412,009,773.30
  5. Step 5: Solve for x
    x = 1,549,412,009,773.30/1,323,066.64
  6. Step 6: Final answer
    x = 1,171,076.32

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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.