Home / 1,133,299.88-1,564,011.30-643,303.88

Finding the Fourth Proportional to 1,133,299.88, 1,564,011.30 and 643,303.88

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Solution

The fourth proportional to 1,133,299.88, 1,564,011.30 and 643,303.88 is: 887,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,299.88 : 1,564,011.30 = 643,303.88 : x
  2. Step 2: Convert to fraction form
    1,133,299.88/1,564,011.30 = 643,303.88/x
  3. Step 3: Cross multiply
    1,133,299.88x = 1,564,011.30 × 643,303.88
  4. Step 4: Simplify right side
    1,133,299.88x = 1,006,134,537,653.84
  5. Step 5: Solve for x
    x = 1,006,134,537,653.84/1,133,299.88
  6. Step 6: Final answer
    x = 887,791.97

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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.