Home / 1,133,300.88-1,564,012.68-643,304.88

Finding the Fourth Proportional to 1,133,300.88, 1,564,012.68 and 643,304.88

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Solution

The fourth proportional to 1,133,300.88, 1,564,012.68 and 643,304.88 is: 887,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,300.88 : 1,564,012.68 = 643,304.88 : x
  2. Step 2: Convert to fraction form
    1,133,300.88/1,564,012.68 = 643,304.88/x
  3. Step 3: Cross multiply
    1,133,300.88x = 1,564,012.68 × 643,304.88
  4. Step 4: Simplify right side
    1,133,300.88x = 1,006,136,989,425.88
  5. Step 5: Solve for x
    x = 1,006,136,989,425.88/1,133,300.88
  6. Step 6: Final answer
    x = 887,793.35

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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.