Home / 1,333,421.40-1,998,576.90-534,307.80

Finding the Fourth Proportional to 1,333,421.40, 1,998,576.90 and 534,307.80

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Solution

The fourth proportional to 1,333,421.40, 1,998,576.90 and 534,307.80 is: 800,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,421.40 : 1,998,576.90 = 534,307.80 : x
  2. Step 2: Convert to fraction form
    1,333,421.40/1,998,576.90 = 534,307.80/x
  3. Step 3: Cross multiply
    1,333,421.40x = 1,998,576.90 × 534,307.80
  4. Step 4: Simplify right side
    1,333,421.40x = 1,067,855,226,569.82
  5. Step 5: Solve for x
    x = 1,067,855,226,569.82/1,333,421.40
  6. Step 6: Final answer
    x = 800,838.52

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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.