Home / 1,777,148.80-2,663,390.40-711,318.40

Finding the Fourth Proportional to 1,777,148.80, 2,663,390.40 and 711,318.40

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Solution

The fourth proportional to 1,777,148.80, 2,663,390.40 and 711,318.40 is: 1,066,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,148.80 : 2,663,390.40 = 711,318.40 : x
  2. Step 2: Convert to fraction form
    1,777,148.80/2,663,390.40 = 711,318.40/x
  3. Step 3: Cross multiply
    1,777,148.80x = 2,663,390.40 × 711,318.40
  4. Step 4: Simplify right side
    1,777,148.80x = 1,894,518,597,903.36
  5. Step 5: Solve for x
    x = 1,894,518,597,903.36/1,777,148.80
  6. Step 6: Final answer
    x = 1,066,043.88

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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.