Home / 1,176,007.40-1,764,011.10-427,956.20

Finding the Fourth Proportional to 1,176,007.40, 1,764,011.10 and 427,956.20

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Solution

The fourth proportional to 1,176,007.40, 1,764,011.10 and 427,956.20 is: 641,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,007.40 : 1,764,011.10 = 427,956.20 : x
  2. Step 2: Convert to fraction form
    1,176,007.40/1,764,011.10 = 427,956.20/x
  3. Step 3: Cross multiply
    1,176,007.40x = 1,764,011.10 × 427,956.20
  4. Step 4: Simplify right side
    1,176,007.40x = 754,919,487,113.82
  5. Step 5: Solve for x
    x = 754,919,487,113.82/1,176,007.40
  6. Step 6: Final answer
    x = 641,934.30

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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.