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Finding the Fourth Proportional to 1,036,807, 1,555,299.60 and 288,853

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Solution

The fourth proportional to 1,036,807, 1,555,299.60 and 288,853 is: 433,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,807 : 1,555,299.60 = 288,853 : x
  2. Step 2: Convert to fraction form
    1,036,807/1,555,299.60 = 288,853/x
  3. Step 3: Cross multiply
    1,036,807x = 1,555,299.60 × 288,853
  4. Step 4: Simplify right side
    1,036,807x = 449,252,955,358.80
  5. Step 5: Solve for x
    x = 449,252,955,358.80/1,036,807
  6. Step 6: Final answer
    x = 433,304.32

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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.