Home / 1,133,298.88-1,564,009.92-643,302.88

Finding the Fourth Proportional to 1,133,298.88, 1,564,009.92 and 643,302.88

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Solution

The fourth proportional to 1,133,298.88, 1,564,009.92 and 643,302.88 is: 887,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,298.88 : 1,564,009.92 = 643,302.88 : x
  2. Step 2: Convert to fraction form
    1,133,298.88/1,564,009.92 = 643,302.88/x
  3. Step 3: Cross multiply
    1,133,298.88x = 1,564,009.92 × 643,302.88
  4. Step 4: Simplify right side
    1,133,298.88x = 1,006,132,085,884.57
  5. Step 5: Solve for x
    x = 1,006,132,085,884.57/1,133,298.88
  6. Step 6: Final answer
    x = 887,790.59

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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.