Home / 1,293,148.80-1,784,475.18-712,258.92

Finding the Fourth Proportional to 1,293,148.80, 1,784,475.18 and 712,258.92

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Solution

The fourth proportional to 1,293,148.80, 1,784,475.18 and 712,258.92 is: 982,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,148.80 : 1,784,475.18 = 712,258.92 : x
  2. Step 2: Convert to fraction form
    1,293,148.80/1,784,475.18 = 712,258.92/x
  3. Step 3: Cross multiply
    1,293,148.80x = 1,784,475.18 × 712,258.92
  4. Step 4: Simplify right side
    1,293,148.80x = 1,271,008,364,473.61
  5. Step 5: Solve for x
    x = 1,271,008,364,473.61/1,293,148.80
  6. Step 6: Final answer
    x = 982,878.66

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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.