Home / 1,042,893.20-1,566,672.60-1,000,384.40

Finding the Fourth Proportional to 1,042,893.20, 1,566,672.60 and 1,000,384.40

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Solution

The fourth proportional to 1,042,893.20, 1,566,672.60 and 1,000,384.40 is: 1,502,814.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,893.20 : 1,566,672.60 = 1,000,384.40 : x
  2. Step 2: Convert to fraction form
    1,042,893.20/1,566,672.60 = 1,000,384.40/x
  3. Step 3: Cross multiply
    1,042,893.20x = 1,566,672.60 × 1,000,384.40
  4. Step 4: Simplify right side
    1,042,893.20x = 1,567,274,828,947.44
  5. Step 5: Solve for x
    x = 1,567,274,828,947.44/1,042,893.20
  6. Step 6: Final answer
    x = 1,502,814.31

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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.